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Quirine Ketterings

Quirine Ketterings

Professor, Nutrient Management in Agricultural Systems

Nutrient Management Spear Program Department of Animal Science
323 Morrison Hall, Ithaca NY 14853
Phone: 607-255-3061
Fax: 607-255-9829
E-mail: qmk2@cornell.edu
http://nmsp.cals.cornell.edu

Complete CV for Quirine

Areas of Work (70% extension and 30% research):

  • Whole-farm nutrient management for New York dairy operations.                    
  • Use of organic (manure, compost, cover crop) nutrients for fertility management.
  • Fertilizer guidelines for yield and quality of field crops in New York.
  • Soil testing for soil fertility and environmental risk assessment.
  • Indicators of environmental impact of nutrient management practices.
  • International agriculture: soil fertility management.

Education:

  • Ph.D. (Environmental Sciences). Ohio State University (OSU). December 10, 1999.
  • M.Sc. (Soil and Water, with Distinction). Wageningen University and Research Center, the Netherlands. October 23, 1992.
  • Ingenieurs (B.Sc. in Tropical and Subtropical Agriculture) International Agricultural College Deventer (Currently: Internationale Hogeschool Larenstein), the Netherlands. January 26, 1990.

Professional Experience:

  • Professor of Nutrient Management in Agricultural Systems. Cornell University, Department of Animal Science. January 2014 - current.
  • Associate Professor of Nutrient Management in Agricultural Systems.
  • Cornell University, Department of Animal Science June 2008 – December 2013; Department of Crop and Soil Sciences. February 2006-May 2008.
  • Assistant Professor of Nutrient Management in Agricultural Systems. Cornell University, Department of Crop and Soil Sciences. August 2000-January 2006.
  • Consultant for the International Center for Research in Agroforestry. March-June 2000.
  • Research Assistant in the Soil Science and Geology Department, Wageningen Agricultural University, the Netherlands. June-September 1993.
  • Research Assistant in the Soil Ecology Laboratory/Sustainable Agriculture Program, Entomology Department at Ohio State University, USA, November 1992-April 1993.
  • Co-manager of a 135 cow dairy herd in Ruschein, Switzerland. June-August 1990.
  • Translator for the International Red Cross on mission overseas. January-May 1990.

Faculty Advisor for CALS Graduate Fields:

  • Soil and Crop Sciences
  • Horticulture
  • Animal Science

Awards:

  • At Cornell University:
    • 2016 Cornell College of Agriculture and Life Sciences’ Award for Outstanding Accomplishments in Extension/Outreach. Cornell University, Nov. 7, 2016.
    • 2015 Soil Science Society of America (SSSA) Fellow. Recognized at the 2015 ASA/SSSA/CSSA annual meeting in Minneapolis, Minnesota, November 15-18, 2015.
    • 2014 Agronomy Society of America (ASA) Fellow. Recognized at the 2014 ASA/SSSA/CSSA annual meeting in Long Beach, California, November 2-5, 2014.
    • 2013 NACAA Communications Regional Winner – Field Crops Factsheet Series (Factsheet category). Awarded at the NACAA national meeting in Pittsburgh, Sept. 19, 2013.
    • 2013 NACAA Communications Regional Winner – Nutrient Management Spear Program Website (Website category). Awarded at the NACAA national meeting in Pittsburgh, Sept. 19, 2013.
    • 2012 Cornell College of Agriculture and Life Sciences’ Award for Outstanding Accomplishments in Applied Research. Cornell University.
    • 2011 Mid-Atlantic Regional Educational Institution and Federal Laboratory Partnership Award. Co-awarded to: Peter Kleinman, Doug Beegle, Heather Karsten, Robin Brandt, Rory Maguire, Arthur Allen, Josh McGrath, Greg Binford, and Daniel Pote.
    • 2011 Extension Industry Award. Northeastern Branch of Agronomy Society of America, Crop Science Society of America, Soil Science Society of America (NEBCSA).
    • 2009 Faculty Innovative Teaching Award. “CALS Students Become Certified Crop Advisors”. One of three projects selected in CALS in 2009.
    • 2009 Project Leader of the Year. Awarded by the farmer board of the New York Farm Viability Institute (NYFVI).
    • 2008 Research Award. Northeastern Branch of Agronomy Society of America, Crop Science Society of America, Soil Science Society of America (NBCSA).
    • 2006 Northeast Region Certified Crop Adviser (NRCCA) President’s Award for Outstanding Service.
    • 2005 NYS Association of County Agricultural Extension Educators (NYSACAA) Outstanding New Publication Award for the series of 56 County-based “Soil Sample Surveys”. Co-Awardees: Hettie Krol* and Shaw Reid.
    • 2004 Faculty Innovative Teaching Award for AS/CSS 412: “Bridging the classroom and the farm for improved whole farm nutrient management”. Co-Awardees: Greg Albrecht and Mike Van Amburgh. One of three projects selected in CALS in 2004.
    • 2002 Merit Award. Soil and Water Conservation Society, Empire State Chapter. For “Outstanding Effort in Promoting the Conservation of Natural Resources in New York”. December 2002.
    • 2002 Special Achievement Award. Soil and Water Conservation Society, Empire State Chapter. Award for the entire Cropware Team for “Developing a Computer Software Program to Balance Nutrient Management Budgets and Conserve Natural Resources”. December 2002.
    • 2001 Affino – Stewart Award. President’s Council of Cornell Women. June 2001.
  • At Ohio State University:
    • First place in Agricultural Sciences in the Edward F. Hayes Graduate Research Forum at the Ohio State University. April 1999.
    • International Research Award. International Scholarships Ohio Intern Program. August 1998.
    • Graduate Student International Research Travel Grant. May 1998.
    • First place in Agricultural Sciences in the Edward F. Hayes Graduate Research Forum at the Ohio State University. April 1998.
    • Graduate Student Alumni Research Award. October 1996.
    • Mervin G. Smith Memorial Award. International Scholarships Ohio Intern Program. August 1996.
    • Multiple-Year European Agricultural Fellowship/Associateship Award. The Ohio State University Graduate School. August 1993.

Professional Membership:

      • New York State Association of County Agricultural Agents. 2009-present.
      • Epsilon Sigma Phi, Honor Society of Cooperative Extension. 2007-present.
      • Soil and Water Conservation Society. Empire State Chapter. 2000-present.
      • International Society of Soil Science. 1998-present.
      • Soil Science Society of America, Agronomy Society of America. 1998-present.
      • Sigma Xi, the Scientific Research Society. 1999-present.
      • Honor Society of Phi Kappa Phi. Membership 1995-present.
      • American Association for the Advancement of Science. 1999-2001.
      • Phi Beta Delta, Honor Society for International Scholars. 1999-2001.

Ad-hoc Reviewer for:

  • Agriculture Ecosystems and Environment.
  • Agricultural Systems.
  • Agroforesty Systems.
  • Agronomy Journal.
  • Ecosystems.
  • Environmental Conservation.
  • Forage and Grazinglands.
  • HortScience.
  • Journal of Agricultural Science
  • Journal of the Royal Society of New Zealand.
  • Journal of Environmental Quality.
  • Journal of Soil and Water Conservation.
  • New Zealand Journal of Agricultural Research.
  • Soil and Tillage Research.
  • Soil Science.
  • Soil Science Society of America Journal.
  • Soil Use and Management.

Peer-Reviewed Publications (journal articles)  (*indicates NMSP staff or student advisees):


    2017 (13 articles to date):
     
  1. Maresma*, A., and Q.M. Ketterings (2017). In-field variability of Illinois soil nitrogen test and loss-on-ignition for nitrogen management. Soil Science Society of America Journal (in press).
  2. Tagarakis*, A.C., and Q.M. Ketterings (2017). In-season estimation of corn yield potential using proximal sensing. Agronomy Journal. doi: 10.2134/agronj2016.12.0732
  3. McRoberts*, K.C., D. Parsons, Q.M. Ketterings, T.T. Hai, N.H. Quan, N.X. Ba, C.F. Nicholson, and D.J.R. Cherney (2017). Urea and composted cattle manure affect forage yield and nutritive value in sandy soils of South-Central Vietnam. Grass and Forage Science. doi: 10.1111/gfs.12289
  4. Lyons*, S., Q.M. Ketterings, G. Godwin*, J. Cherney, and T. Kilcer (2017). Fall planting date can impact establishment and nitrogen uptake of winter cereals. Agronomy Journal doi:10.2134/agronj2016.10.0620.
  5. McRoberts*, K.C., C.F. Nicholson, D. Parsons, L.V. Nam, N.X. Ba, Q.M. Ketterings, D.J.R. Cherney (2017). Structure and impact of cattle manure trade in crop-livestock systems of Vietnam.Renewable Agriculture and Food Systemsdoi:10.1017/S1742170517000072.
  6. Hussein, M., V.V. Pillai, J.M. Goddard, W.J. Park, K.S. Kothapalli, D.A. Ross, Q.M. Ketterings, J.T. Brenna, M. Milstein, H. Marquis, P.A. Johnson, J.P. Nyrop and V. Selvaraj (2017). Sustainable production of housefly (Musca domestica) larvae as a protein-rich feed ingredient by utilizing cattle manure. PLoSONE 12:e0171708. http://dx.doi.org/10.1371/journal.pone.0171708.
  7. Sadeghpour*, A., Q.M. Ketterings, G. Godwin*, and K.J. Czymmek (2017). Shifting from N-based to P-based manure management maintains soil test phosphorus dynamics in a long-term corn and alfalfa rotation. Agronomy for Sustainable Development. doi: 10.1007/s13593-017-0416-z.
  8. Ketterings, Q.M., S. Cela*, A. Collick, S. Crittenden*, and K.J. Czymmek (2017). Restructuring the P index to better address P management in New York. Journal of Environmental Quality. doi:10.2134/jeq2016.05.0185.
  9. Crittenden*, S., Q.M. Ketterings, and K.J. Czymmek (2017). Soil phosphorus saturation ratio sets comparable manure application cutoffs across states differing in agronomic soil test. Soil Science 182:00-00. doi: 10.1097/SS.0000000000000192.
  10. Veltman, K., C.D. Jones, R. Gaillard, S. Cela*, L. Chase, B. Duval., R.C. Izaurralde, Q.M. Ketterings, C. Li, M. Matlock, A. Reddy, A. Rotz, W. Salas, P. Vada, and O. Jolliet (2017). Comparison of process-based models to quantify nutrient flows and greenhouse gas emissions associated with milk production. Agriculture, Ecosystems and Environment 237: 31-44. http://dx.doi.org/10.1016/j.agee.2016.12.018.
  11. Tagarakis*, A.C., Q.M. Ketterings, S. Lyons*, and G. Godwin* (2017). Proximal sensing to estimate yield of brown midrib forage sorghum. Agronomy Journal. doi: 10.2134/agronj2016.07.0414.
  12. Cela*, S., Q.M. Ketterings, M., Soberon*, C. Rasmussen*, and K.J. Czymmek (2017). Upper Susquehanna watershed and New York State improvements in nitrogen and phosphorus mass balances of dairy farms. Journal of Soil and Water Conservation 27: 1-11. doi: 10.2489/jswc.72.1.1.
  13. Sadeghpour*, A., Q.M. Ketterings, G.S. Godwin*, and K.J. Czymmek (2017). Under- or over-application of nitrogen impact corn yield, quality, soil, and environment. Agronomy Journal 109:1-11. doi: 10.2134/agronj2016.06.035

    2016 (8 articles to date):
     
  14. Sadeghpour*, A., Q.M. Ketterings, F. Vermeylen, G.S. Godwin*, and K.J. Czymmek (2016). Soil properties under nitrogen- vs phosphorus-based manure and compost management of corn. Soil Science Society of America Journal 80:1272–1282. doi:10.2136/sssaj2016.03.0086.
  15. Van Almelo, J., Q.M. Ketterings, and S. Cela* (2016) Integrating record keeping with whole farm nutrient mass balance: A case study. Journal of Agricultural Science 8: 22-32. DOI: http://dx.doi.org/10.5539/jas.v8n6p22.
  16. Cela*, S., Q.M. Ketterings, K.J. Czymmek, J.L. Weld, D.B. Beegle, and P.J.A. Kleinman (2016). Nutrient management planners' feedback on New York and Pennsylvania phosphorus indices. Journal of Soil and Water Conservation 71: 281-288. DOI: 10.2489/jswc.71.4.281.
  17. Cherney, J.H, Q.M. Ketterings, and D.J. Cherney (2016). Soil contamination of grass biomass hay; measurements and implications. Bioenergy Research 9:773–781. DOI: 10.1007/s12155-016-9725-3.
  18. Long*, E., Q.M. Ketterings, D. Russell, F. Vermeylen, and S.D. DeGloria (2016). Assessment of yield monitoring equipment for dry matter and yield of corn silage and alfalfa/grass. Journal of Precision Agriculture 17:546–563. DOI:10.1007/s11119-016-9436-y.
  19. Long*, E., and Q.M. Ketterings (2016). Factors of yield resilience under changing weather evidenced by a 14-years record of corn-hay yield in a 1000-cow dairy farm. Agronomy for Sustainable Development 36:16. DOI: 10.1007/s13593-016-0349-y.
  20. McRoberts*, K. Q.M. Ketterings, D. Parsons*, T. Thanh Hai, N. Hai Quan, N. Xuan Ba, C.F. Nicholson and D.J. Cherney (2016). Impact of forage utilization with urea and composted cattle manure on soil fertility in sandy soils of south central Vietnam. International Journal of Agronomy. http://dx.doi.org/10.1155/2016/4709024.
  21. Sadeghpour*, A., Q.M. Ketterings, G. Godwin* and K.J. Czymmek (2016). Nitrogen- vs phosphorus-based manure and compost management of corn. Agronomy Journal 108: 185-195. DOI:10.2134/agronj2015.0218.

  22. 2015 (5 articles):
     
  23. Cela*, S., Q.M. Ketterings, K.J. Czymmek, M. Soberon*, and C.N. Rasmussen* (2015). Long-term trends of nitrogen and phosphorus mass balances on New York dairy farms. Journal of Dairy Science 98: 7052-7070. http://dx.doi.org/10.3168/jds.2015-9776
  24. Soberon*, M., S. Cela*, Q.M. Ketterings, K.J. Czymmek, and C.N. Rasmussen* (2015). Changes in nutrient mass balances over time and related drivers for 54 New York dairy farms (2015). Journal of Dairy Science 98: 5313–5329. http://dx.doi.org/10.3168/jds.2014-9236.
  25. Little*, N.G., C.L. Mohler, Q.M. Ketterings and A. DiTommaso (2015). Effects of organic nutrient amendments on weed and crop growth. Weed Science 63: 710-722. doi: 10.1614/WS-D-14-00151.1.
  26. Ketterings Q.M., S.N. Swink*, S.W. Duiker, K.J. Czymmek, D.B. Beegle, and W.J. Cox (2015). Review and interpretation: integrating cover crops for N management in corn systems on northeastern dairies. Agronomy Journal 107: 1365-1376.
    doi:10.2134/agronj14.0385.
  27. Ketterings, Q.M., S. Ort*, S.N. Swink*, G. Godwin*, T. Kilcer, J. Miller, W. Verbeten, and K.J. Czymmek (2015). Winter cereals as double crops in corn rotations on New York dairy farms. Journal of Agricultural Science DOI: 10.5539/jas.v7n2p18.

  28. 2014 (4 articles):
     
  29. Cela*, S., Q.M. Ketterings, K.J. Czymmek, M. Soberon*, and C.N. Rasmussen* (2014). Characterization of N, P, and K mass balances of dairy farms in New York State. Journal of Dairy Science 97:7614–7632. http://dx.doi.org/10.3168/jds.2014-8467.
  30. Ketterings, Q.M., S. Gami, R.R. Mathur, and M. Woods (2014). A simple method for estimating effective cation exchange capacity, cation saturation ratios and sulfur across a wide range of soils. Soil Science 179:230-236.
  31. Caldwell, B., C.L. Mohler, Q.M. Ketterings, and A. DiTommaso (2014). Yields and profitability during and after transition in organic grain cropping systems. Agronomy Journal 106:871-880.
  32. Ketterings, Q.M. (2014). Extension and knowledge transfer; adaptive management approaches for timely impact. Journal of Agricultural Science, Cambridge. DOI:10.1017/S002185961300066X.

  33. 2013 (5 articles):
     
  34. Ketterings, Q.M, G.S. Godwin*, S.N. Swink*, and K.J. Czymmek (2013). Can manure replace the need for starter nitrogen fertilizer? Agronomy Journal 105:1597–1605.
  35. Long, E., Q.M. Ketterings and K.J. Czymmek (2013). Survey of cover crop use on New York dairy farms. Crop Management. DOI:10.1094/CM-2013-0019-RS.
  36. Soberon*, M.A., Q.M. Ketterings, C.N. Rasmussen*, and K.J. Czymmek (2013). Whole farm nutrient balance calculator for New York dairy farms. Journal of Natural Resources and Life Science Education (renamed Natural Sciences Education) 42: 57-67.
  37. Magidow*, L., A. DiTommaso, Q.M. Ketterings, C.L. Mohler, and L.L. Milbrath (2013). Emergency and performance of two invasive Swallow-worts (Vincetoxicum app.) in contrasting soil types and soil pH. Invasive Plant Science and Management 6: 281-191. doi: http://dx.doi.org/10.1614/IPSM-D-12-00073.1
  38. Ketterings, Q.M., G. Godwin*, P. Barney, J.R. Lawrence*, B. Aldrich, T. Kilcer, K.J. Czymmek, and B. Gloy (2013). Shallow mixing of surface soil and liquid dairy manure conserves nitrogen while retaining surface residue. Agronomy for Sustainable Development. 33: 507-517. DOI 10.1007/s13593-013-0141-1.

  39. 2012 (6 articles):
     
  40. Ketterings, Q.M., J. Knight*, P. Ristow*, G. Swanepoel*, and K.J. Czymmek (2012). Evaluation of dairy and cash grain farmers’ perceptions of the value of manure. Crop Management. doi:10.1094/CM-2012-1024-01-RS.
  41. Ketterings, Q.M., K.J. Czymmek, D.B. Beegle, L.E. Chase, and C.N. Rasmussen* (2012). Systematic nutrient (im)balances in dairy farm systems of the Northeast and Mid-Atlantic Regions of the United States. Journal of Agricultural Science. doi:10.5539/jas.v4n11p.
  42. Ketterings, Q.M., and K.J. Czymmek (2012). Phosphorus index as a phosphorus awareness tool: documented phosphorus use reduction in New York State. Journal of Environmental Quality. 41(6): 1767-1773 (doi:10.2135/jeq2012.0050).
  43. Sharpley, A., D. Beegle, C. Bolster, L. Good, B. Joern, Q.M. Ketterings, J. Lory, R. Mikkelsen, D. Osmond, and P. Vadas (2012). Phosphorus Indices: Why we need to take stock of how we are doing. Journal of Environmental Quality 41(6): 1711-1719. (doi:10.2135/jeq2012.0040).
  44. Kleinman, P, K. Saacke Blunk, R. Bryant, L. Saporito, D. Beegle, K. Czymmek, Q.M. Ketterings, T. Sims, J. Shortle, J. McGrath, F. Coale, M. Dubin, D. Dostie, R. Maguire, R. Meinen, A. Allen, K. O’Neill, L. Garber, M. Davis, B. Clark, K. Sellner, and M. Smith (2012). Managing manure for sustainable livestock production in the Chesapeake Bay Watershed. Journal of Soil and Water Conservation. 67(2): 54-61. (doi:10.2489/jswc.67.2.54A).
  45. Ketterings, Q.M., G. Godwin*, S. Gami*, K. Dietzel*, J. Lawrence, P. Barney, T. Kilcer, M. Stanyard, C. Albers, J.H. Cherney, D. Cherney, K.J. Czymmek (2012). Soil and tissue testing for sulfur management of alfalfa in New York State. Soil Science Society of America Journal 76(1): 298-306. (doi:10.2136/sssaj2010.0437).

  46. 2011 (10 articles):
     
  47. Ketterings, Q.M., C. Miyamoto*, R.R. Mathur, K. Dietzel*, and S. Gami* (2011). A comparison of soil sulfur extraction methods. Soil Science Society of America Journal 75(4): 1578-1583.
  48. Ketterings, Q.M., K.J. Czymmek, and S.N. Swink* (2011). Evaluation methods for a combined research and extension program used to address starter phosphorus fertilizer use for corn in New York. Canadian Journal of Soil Science 91(3): 467-477.
  49. Haden*, R.V., J. Xiang, S. Peng, Q.M. Ketterings, P. Hobbs, and J. Duxbury (2011). Ammonia toxicity in aerobic rice: use of soil properties to predict ammonia volatilization following urea application and the adverse effects on germination. European Journal of Soil Science 62(4): 551–559.
  50. Haden*, R.V., J. Xiang, S. Peng, B. Bouman, R. Visperas, Q.M. Ketterings, P. Hobbs, and J. Duxbury (2011). Relative effects of ammonia and nitrite on germination and early growth or aerobic rice. Journal of Plant Nutrition & Soil Science 174(2): 292-300.
  51. Parsons*, D., Q.M. Ketterings, J.H. Cherney, R.W. Blake, L. Ramirez-Aviles, C.F. Nicholson (2011). Effects of weed control and manure application on nutrient fluxes in the shifting cultivation milpa system of Yucatan. Archives of Agronomy and Soil Science 57(3): 273-292.
  52. Swink*, N., Q.M. Ketterings, L.E. Chase, K.J. Czymmek; M.E. Van Amburgh (2011). Nitrogen balances for New York State: Implications for manure and fertilizer management. Journal of Soil and Water Conservation 66(1): 1-17.
  53. Janzen, H.H., P. Fixen, A.J. Franzluebbers, J. Hattey, R.C. Izaurralde, Q. M. Ketterings, D.A. Lobb, W.H. Schlesinger (2011). Global prospects are rooted in Soil Science. Soil Science Society of America Journal 75(1): 1-8.
  54. Parsons*, D., C.F. Nicholson, R.W. Blake, Q.M. Ketterings, L. Ramírez-Aviles, J.H. Cherney, and D.G. Fox (2011). Application of a simulation model for assessing integration of smallholder shifting cultivation and sheep production in Yucatán, Mexico. Agricultural Systems 104(1): 13-19.
  55. Parsons*, D, C.F. Nicholson, R.W. Blake, Q.M. Ketterings, L. Ramírez-Aviles, D.G. Fox, L.O. Tedeshi, J.H. Cherney (2010). Development and evaluation of an integrated simulation model for assessing smallholder crop-livestock production in Yucatán, Mexico. Agricultural Systems 104(1): 1-12.
  56. Maguire, R.O., P.J.A. Kleinman, C. Dell, D.B. Beegle, R.C. Brandt, J.M. McGrath, and Q.M. Ketterings (2011). Manure application technology in reduced tillage and forage systems; a review. Journal of Environmental Quality 40(2): 292-301.

  57. 2010 (5 articles):
     
  58. Chunyu*, S., and Q.M. Ketterings (2010). Impact of soil temperature and moisture on Mehlich-3 and Morgan soil test phosphorus. Soil Science 175(10): 511-518.
  59. Grandt*, S., Q.M. Ketterings, A.J. Lembo Jr., and F. Vermeylen (2010). In-field spatial variability of soil test phosphorus and implications for agronomic and environmental phosphorus management. Soil Science Society of America Journal 74:1800-1807.
  60. Cherney, J.H., Q.M. Ketterings. M. Davis, and D.J.R. Cherney (2010). Split application of nitrogen vs. dairy manure on temperate perennial grasses. Forage and Grazinglands Forage and Grazinglands DOI:10.1094/FG-2010-02XX-01-RS.
  61. Cherney, J.H., Q.M. Ketterings, D.J. Cherney, M.H. Davis. (2010). Timing of semisolid dairy manure application does not affect yield and quality of orchardgrass. Agronomy Journal 102:537-543.
  62. Turan, M., Q. M. Ketterings, A. Gunes, N. Ataoglu, A.V. Bilgili, and Y. Ming Huang (2010). Boron fertilization of ucerneanean Aridisols improves ucerne (Medicago sativa L.) yields and quality. Acta Agriculturae Scandinavica, Section B – Plant Soil Science 60:427-436.

  63. 2009 (10 articles):
     
  64. Medvecky*, B.A., and Q.M. Ketterings (2009). Incorporation of legumes residues does not increase productivity of intercropped beans on smallholder farms in Trans-Nzoia District, Kenya. Biological Agriculture and Horticulture 26(4):323-335.
  65. Parsons*, D., L. Ramirez-Aviles, J.H. Cherney, Q.M. Ketterings, R.W. Blake, and C.F. Nicholson (2009). Managing maize production in shifting cultivation milpa systems in Yucatan, through weed control and manure application. Agriculture, Ecosystems and Environment 133: 123-134.
  66. Hunter, M., Q.M. Ketterings, J.H. Cherney, P. Barney, T. Kilcer, and G. Godwin* (2009). Nitrogen needs of teff (Eragrostis tef (Zucc. Trotter) managed as forage crop in New York. Forage and Grazinglands DOI:10.1094/FG-2009-0612-01-RS.
  67. Gunes, A., N. Ataoglu, M. Turan, A. Esitken, and Q.M. Ketterings (2009). Effects of phosphate-solubilizing micro-organisms on strawberry yield and nutrient concentrations. Journal of Plant Nutrition and Soil Science DOI:10.1002/jpln.200800121.
  68. Swink*, S.N., Q.M. Ketterings, L.E. Chase, and K.J. Czymmek, and J.C. Mekken* (2009). Past and future phosphorus balances for agricultural cropland in New York State. Journal of Soil and Water Conservation 64(2):120-133.
  69. Dietzel*, K., Q.M. Ketterings, and R. Rao (2009). Predictors of lime needs for pH and aluminum management of New York agricultural soils. Soil Science Society of America Journal 74(2): 443-448.
  70. Turan, M., F.M., Kiziloglu, and Q.M. Ketterings (2009). Phosphorus management of Lucerne grown on calcareous soil in Turkey. Journal of Plant Nutrition 32: 516-535.
  71. Lawrence*, J.R., Q.M. Ketterings, M.G. Goler*, J.H. Cherney, W.J. Cox and K.J. Czymmek (2009). Illinois Soil Nitrogen Test (ISNT) with organic matter correction for predicting nitrogen responsiveness of corn in rotation. Soil Science Society of America J. 73(1): 303-311.
  72. Turan, M., A. Dursun, N. Ataoglu, A. Gunes, M. Ekinci, T. Oztas, Q.M. Ketterings, Y. Ming Huang (2009). Yield and chemical composition of Brussels sprout (Brassica oleracea L. gemmifera) as affected by boron management. HortScience 44(1):176-182.
  73. Soldat*, D., M. Petrovic, and Q.M. Ketterings (2008). The effect of soil phosphorus levels on phosphorus runoff concentrations from turfgrass. Water, Air, and Soil Pollution DOI:10.1007/211270-008-9857-y.

  74. 2008 (3 articles):
     
  75. Lawrence*, J.R., Q.M. Ketterings, J.H. Cherney, S.E. Bossard, G.S. Godwin* (2008). Tillage tools for manure incorporation and N conservation. Soil Science 173: 649-658.
  76. Lawrence*, J.R., Q.M. Ketterings and J.H. Cherney (2008). Effect of nitrogen application on yield and quality of first year corn. Agronomy Journal 100: 73-79.
  77. Angin, I., M. Turan, Q.M. Ketterings, and A. Cakici (2008). Humic acid addition enhances B and Pb phytoextraction by vetiver grass (Vetiveria zizanioides l. Nash). Water, Air and Soil Pollution 188: 335-343.

  78. 2007 (8 articles):
     
  79. Swink*, S.N., Q.M. Ketterings, W.J. Cox (2007). Nitrogen fertilizer replacement value of soybean for corn. Online. Crop Management DOI:10.1094/CM-2007-1005-01-RV.
  80. Ketterings, Q.M., J.H. Cherney, G. Godwin*, T.F. Kilcer, P. Barney, and S. Beer (2007). Nitrogen management of brown midrib sorghum x sudangrass in the Northeastern USA. Agronomy Journal 99: 1345–1351.
  81. Haden*, V.R., Q.M. Ketterings, and J.E. Kahabka* (2007). Factors affecting the change in soil test P levels following manure and fertilizer application. Soil Science Society of American Journal 71: 1225-1232.
  82. Ketterings, Q.M., E. Frenay*, J.H. Cherney, K.J. Czymmek, S.D. Klausner, L.E. Chase, Y.H. Schukken (2007). Applying manure to established alfalfa-grass stands. Online. Forage and Grazinglands DOI: 10.1094/FG-2007-0418-01-RV.
  83. Brock*, E.H., Q.M. Ketterings, and P.J.A. Kleinman (2007). Measuring and predicting the phosphorus sorption capacity of manure amended soils. Soil Science 172: 266-278.
  84. Brock*, E.H., Q.M. Ketterings, and P.J.A. Kleinman (2007). Phosphorus leaching through intact soil cores as influenced by type and duration of manure application. Nutrient Cycling and Agroecosystems 77: 269-281. DOI: 10.1007/s10705-006-9065-3.
  85. Medvecky*, B.A, Q.M. Ketterings and E.B. Nelson (2007). Relationships among soilborne bean seedling diseases, Lablab purpureus L. and maize stover residue management, bean insect pests, and soil characteristics in Trans Nzoia district, Kenya. Applied Soil Ecology 35: 107-119.
  86. Özgül, M, M. Turan, and Q.M. Ketterings (2007). Short- and long-term phosphorus availability in four soil orders under native vegetation in Turkey. Acta Agriculturæ Scandinavica Section B, Soil and Plant Science. DOI: 10.1080/09064710601029695.

  87. 2006 (9 articles):
     
  88. Ketterings, Q.M., Godwin*, G., T.F. Kilcer, P. Barney, M. Hunter, J.H. Cherney, and S. Beer (2006). Nitrogen, phosphorus, potassium, magnesium and calcium removal by brown midrib sorghum sudangrass in the Northeastern USA. Journal of Agronomy and Crop Science 192: 408-416.
  89. Ketterings, Q.M., G.L Albrecht*, C.N. Rasmussen*, and K.J. Czymmek (2006). Cornell Cropware: Decision support tool for fertilizer and manure nutrient management planning. Journal of Natural Resources and Life Sciences Education 35: 140-151.
  90. Klapwyk*, J.H., Q.M. Ketterings, G.S. Godwin*, M. Wang* (2006). Response of the Illinois Soil Nitrogen Test to liquid and composted dairy manure application in a corn agroecosystem. Canadian Journal of Soil Science 86: 655-663.
  91. Brock, E.H., Q.M. Ketterings, and M. McBride (2006). Copper and zinc accumulation in dairy and poultry amended soils. Soil Science 171: 388-399.
  92. Medvecky*, B.A., Q.M. Ketterings, and F. Vermeylen (2006). Bean seedling damage by root-feeding grubs in Kenya as influenced by planting time, cultivar, and crop residue management. Applied Soil Ecology 34: 240-249.
  93. Klapwyk*, J.H., and Q.M. Ketterings (2006). Soil nitrogen tests for predicting if corn will respond to nitrogen fertilizer in New York. Agronomy Journal 98: 675-681.
  94. Woods*, M.S., F.S. Rossi, and Q.M. Ketterings (2006). Potassium supply rate as measured by exchange membranes in a calcareous sand. Applied Turfgrass Science DOI:10.1094/ATS-2006-0323-01-RS.
  95. Albrecht*, G.L., Q.M. Ketterings, K.J. Czymmek, M. van Amburgh, and D.G. Fox (2006). Whole Farm Nutrient Management: Capstone course on environmental management of dairy farms. J. Natural Resources and Life Science Education 35: 12-23.
  96. Woods*, M.S., Q.M. Ketterings, F.S. Rossi and M. Petrovic (2006). Potassium availability indices and turfgrass performance in a calcareous sand putting green. Crop Science 46: 381-389.

  97. 2005 (11 articles):
     
  98. Sato, S., D. Solomon, C. Hyland*, Q.M. Ketterings, and J. Lehmann (2005). Phosphorus speciation in manure and manure-amended soils using XANES spectroscopy. Environmental Science and Technology 39: 7485-7491.
  99. Woods*, M.S., Q.M. Ketterings, and F.S. Rossi (2005). Effects of potassium application on calcium and magnesium availability in a calcareous sand. International Turfgrass Society Research Journal 10: 1015-1020.
  100. Lehmann, J., Z. Lan, C. Hyland*, S. Sato, D. Solomon, and Q.M. Ketterings. Long-term dynamics of phosphorus forms and retention in manure-amended soils (2005). Environmental Science and Technology 39: 6672-6680.
  101. Burgers, P., Q.M. Ketterings, and D.P. Garrity (2005). Fallow management strategies and issues in Southeast Asia. Agriculture Ecosystems and Environment 110: 1-13.
  102. Ketterings, Q.M., S.N. Swink*, G. Godwin*, K.J. Czymmek, and G.L. Albrecht* (2005). Maize silage yield and quality response to starter phosphorus fertilizer in high phosphorus soils in New York. J. Food, Agriculture and Environment 3: 360-365.
  103. Klapwyk*, J.H., and Q.M. Ketterings (2005). Reducing laboratory variability of the Illinois soil N test with enclosed griddles. Soil Sci. Soc. of America J. 69: 1129-1134.
  104. Ketterings, Q.M. and M. Flock (2005). Comparison of Bray-1 and Mehlich-3 tests in high phosphorus soils. Soil Science 170: 212-219.
  105. Woods*, M.S., Q.M. Ketterings, and F.S. Rossi (2005). Effectiveness of standard soil tests for assessing potassium availability in sand rootzones. Soil Science 170: 110-119.
  106. Ketterings, Q.M., J. Kahabka*, and W.S. Reid (2005). Trends in phosphorus fertility of New York agricultural land. Journal of Soil and Water Conservation 59: 10-20.
  107. Ketterings, Q.M., G. Godwin*, J.H. Cherney, and T.F. Kilcer (2005). Potassium management for brown midrib sorghum x sudangrass in the Northeast. Journal of Agronomy and Crop Science 191: 41-46.
  108. Kilcer, T.F., Q.M. Ketterings, J.H. Cherney, P. Cerosaletti and P. Barney (2005). Optimum stand height for forage brown midrib sorghum x sudangrass in Northeastern USA. Journal of Agronomy and Crop Science 191: 35-40.

  109. 2004 (2 articles):
     
  110. Ketterings, Q.M., J.H. Cherney, T.F. Kilcer, and P. Cerosaletti (2004). Phosphorus removal by sorghum sudangrass in Northeastern USA. Online. Forage and Grazinglands DOI:10.1094/FG-2004-1015-01-RS.
  111. Cherney, J.H., Q.M. Ketterings, and J.L. Orloski* (2004). Plant and soil elemental status as influenced by multi-year nitrogen and potassium fertilization. Journal of Plant Nutrition 27: 991-1014.

  112. 2003 (1 article):
     
  113. Rodenburg, J., A. Stein, M. Van Noordwijk, and Q.M. Ketterings (2003). Spatial variability of soil pH and phosphorus in relation to soil run-off following slash-and-burn land clearing in Sumatra, Indonesia. Soil and Tillage Research 71: 1-14.

  114. 2002 (4 articles):
     
  115. Ketterings, Q.M., K.J. Czymmek, W.S. Reid and R.F. Wildman (2002). Conversion of modified Morgan and Mehlich-III soil tests to Morgan soil test values. Soil Science 167: 830-837.
  116. Van Es, H., K.J. Czymmek and Q.M. Ketterings (2002). Management effects of N leaching and guidelines for an N leaching index in New York. Journal of Soil and Water Conservation 57: 499-504.
  117. Tomich, T.P., H. de Foresta, R. Dennis, Q.M. Ketterings, D. Murdiyarso, C.A. Palm, F. Stolle, Suyanto, and M. van Noordwijk (2002). Carbon offsets for conservation and development in Indonesia? American Journal of Alternative Agriculture 17(2): 125-137.
  118. Ketterings, Q.M., M. Van Noordwijk, and J.M. Bigham (2002). Soil phosphorus availability after slash-and-burn fires of different intensities in rubber agroforests in Sumatra, Indonesia. Agriculture, Ecosystems and Environment 92: 37-48.

  119. 2001 (1 article):
     
  120. Ketterings, Q.M., R. Coe, M. Van Noordwijk, Y. Ambagau’*, and C.A. Palm (2001). Reducing uncertainty in the use of allometric biomass equations for predicting above ground tree biomass in mixed secondary forests. Forest Ecology and Management 146: 201-211.

  121. 2000 (2 articles):
     
  122. Ketterings, Q.M. and J.M. Bigham (2000). Soil color as an indicator of slash-and-burn fire severity and soil fertility in Sumatra, Indonesia. Soil Science Society of America Journal 64: 1826-1833.
  123. Ketterings, Q.M., J.M. Bigham, and V. Laperche (2000). Changes in soil mineralogy and texture caused by slash-and-burn fires in Sumatra, Indonesia. Soil Science Society of America Journal 64: 1108-1117.

  124. 1999 (2 articles):
     
  125. Ketterings, Q.M., T.T. Wibowo*, M. Van Noordwijk, and E. Penot (1999). Farmers’ perspectives on slash-and-burn as a land clearing method for small-scale rubber producers in Sepunggur, Jambi Province, Sumatra, Indonesia. Forest Ecology and Management 120: 157-169.
  126. Bohlen, P.J., R.W. Parmelee, M.F. Allen, and Q.M. Ketterings (1999). Differential effects of earthworms on nitrogen cycling from various 15N-labeled substrates. Soil Science Society of America Journal 63: 882-890.

  127. 1997 (1 article):
     
  128. Ketterings, Q.M., J.M. Blair and J.C.Y. Marinissen (1997). The effects of earthworm activity on soil aggregate stability and C and N storage in a legume cover crop based agroecosystem. Soil Biology and Biochemistry 29: 401-408.

Extension Publications  (*indicates NMSP staff or student advisees):

Agronomy Fact Sheets (co-authored):
 
#  1:  Soil Sampling for Field Crops (6/3/2005)   
#  2:  Nitrogen Basics - The Nitrogen Cycle (6/3/2005)   
#  3:  Pre-Sidedress Nitrate Test (9/20/2005; revised 1/12/2012)
#  4:  Nitrogen Credits from Manure (8/19/2005)    
#  5:  Soil pH for Field Crops (11/11/2005)   
#  6:  Lime Recommendations (3/4/2006)   
#  7:  Liming Materials (7/21/2006)   
#  8:  Starter Phosphorus Fertilizer for Corn (10/22/2005)   
#  9:   Cornell Cropware (8/18/2005)   
# 10:  Phosphorus Index (12/12/2005)    
# 11:  Nitrogen Leaching Index (2/2/2006)    
# 12:  Phosphorus Basics - The Phosphorus Cycle (1/16/2006)    
# 13:  Phosphorus Runoff (1/16/2006)    
# 14:  Brown Midrib Sorghum Sudangrass, Part 1 (11/23/2005, updated 6/30/2007)
# 15:  Phosphorus Soil Testing Methods (9/30/2006)    
# 16:  Application of Manure to Established Alfalfa (12/18/2006)    
# 17:  Nutrient Management for Pastures (6/28/2006)   
# 18:  Manure Spreader Calibrations (1/19/2007)   
# 19:  Soil Management Groups (6/13/2006)   
# 20:  Establishment and Management of Switchgrass (12/18/2006)   
# 21:  Nitrogen Needs for First Year Corn (12/18/2006)
# 22:  Cation Exchange Capacity (3/2/2007)
# 23:  Estimating CEC from Cornell Soil Test Data (3/2/2007)
# 24:  Teff as Emergency Forage (3/22/2007)
# 25:  Mass Nutrient Balance Software (6/7/2007 revised 8/13/2010)
# 26:  Brown Midrib Sorghum Sudangrass Nitrogen Management (6/30/2007)    
# 27:  How Quickly Will Soil Test P Levels Increase? (7/10/2007)    
# 28:  Phosphorus Removal by Field Crops (7/21/2007)    
# 29:  Soil Texture (8/22/2007)    
# 30:  Soybean Nitrogen Credits (7/18/2007)    
# 31:  Corn Stalk Nitrate Test (7/21/2007 updated 2/13/2011, 7/21/2011, and 1/12/2012)
# 32:  Zinc (9/10/2007)
# 33:  Nutrient Management Planning (10/15/2007)
# 34:  Sulfur (8/29/2007)
# 35:  Nitrogen Guidelines for Corn (12/3/2007)
# 36:  Illinois Soil Nitrogen Test for Corn (1/17/2008; revised 1/12/2012)
# 37:  Nutrient Management Data Collection (2/5/2008)
# 38:  Manure Sampling, Handling and Analysis (2/5/2008 updated 7/8/2011)
# 39:  Nitrogen Fixation (4/25/2008)
# 40:  Potassium for Corn (6/16/2008)
# 41:  Organic Matter (5/8/2008)
# 42:  Manure Use for Alfalfa-Grass Establishment (9/12/2008)
# 43:  Nitrogen Benefits of Winter Cover Crops (11/26/2008)
# 44:  Nitrogen Fertilizers for Field Crops (8/23/2009)
# 45:  Enhanced Efficiency Nitrogen Sources (8/23/2009)
# 46:  Nitrogen Management of Teff (9/19/2009)
# 47:  Boron (12/18/2009)
# 48:  Buffer pH for Lime Guidelines (1/8/2010)
# 49:  Manganese (4/30/2010)
# 50:  Buckwheat Production: Planting (7/7/2010)
# 51:  Buckwheat Production: Harvesting (7/7/2010)
# 52:  Web Soil Survey (8/26/2010)
# 53:  Manure Cost, Value and Time Management Calculator (8/26/2010)
# 54:  Timing of Lime Applications for Field Crops (9/22/2010)
# 55:  Tissue Testing for Corn, Alfalfa and Soybeans (10/28/2010; currently in review)
# 56:  Winter Triticale Forage (12/17/2010)
# 57:  Subsurface (Tile) Drainage Benefits and Installation Guidance (3/18/2011)
# 58:  Subsurface (Tile) Drainage Best Management Practices (4/20/2011)
# 59:  Magnesium for Field Crops (4/28/2011)
# 60:  Nitrogen Credits from Red Clover as Cover Crop between Small Grains and Corn (4/20/2011)
# 61:  Valuing Manure N, P, and K Applications (7/15/2011)          
# 62:  Maximizing Forage Quality in Bunk Silos (9/8/2011)
# 63:  Fine-Tuning Nitrogen Use on Corn (9/8/2011; revised 1/12/2012)
# 64:  Forage Radishes (12/20/2011)
# 65:  Fertility Management of Winter Wheat (12/20/2011)
# 66:  Cornell Sulfur Test for Alfalfa (3/17/2012)
# 67:  Can Manure Replace the Need for Starter N? (5/2/2012 revised 8/31/2013)
# 68:  On-Farm Research (7/9/2012)
# 69:  Adaptive Nutrient Management Process (7/22/2012)
# 70:  Drought and Risk of Nitrate Toxicity in Forages (7/26/2012)
# 71:  Measuring Corn Silage Yield (9/15/2012)
# 72:  Taking a Corn Stalk Nitrate Test Sample after Corn Silage Harvest (11/21/2012)
# 73:  Phosphorus Fertilizers for Field Crops (12/13/2012)
# 74:  Soybean Fertility Management (12/13/2012)
# 75:  Field Crop Fertilizer Management (12/13/2012)
# 76:  Manure Use for Soybeans (12/13/2012)
# 77:  Nitrogen for Corn; Management Options (10/2/2013)
# 78:  Adaptive Management of Nitrogen for Corn (10/2/2013)
# 79:  Zone/Strip Tillage (12/19/2013)
# 80:  Urea Fertilizer (12/19/2013)
# 81:  Red Clover for Quality Forage for Dairy (1/11/2015)
# 82:  Harvest and Storage of Malting Barley (12/20/2014)
# 83:  Gypsum for Field Crops in NY (12/20/2014)
# 84:  Crop Vigor Sensing for Variable-Rate N (12/20/2014)
# 85:  Feasible Whole Farm Nutrient Mass Balances (5/18/2015)
# 86:  Muck Soils (12/16/2015)
# 87:  Liquid Manure Injection (12/16/2015)
# 88:  Fall Uptake of Nitrogen by Cereal Cover Crops (12/16/2015)
# 89:  Reference Strips for Variable Nitrogen Rate Application (12/16/2015)
# 90:  Nitrous Oxide Emission from Crop Fields (3/18/2016)
# 91:  The Carbon Cycle and Soil Organic Carbon (7/1/2016)
# 92:  Guidance for Growing BMR Brachytic Dwarf Forage Sorghum (12/8/2016)
# 93:  Cover Crops for Field Crops Systems (12/8/2016)
# 94:  Forage Quality Parameters Explained (12/8/2016)
# 95:  Improving Aggregate Stability (12/8/2016)
# 96:  Acid Whey pH and Nutrient Composition (12/22/2016)
# 97:  Guidance for Land Application of Acid Whey (1/24/2017)

Other extension publications:

  1. Sadeghpour, A., S. Hetrick, K.J. Czymmek, G. Godwin, Q.M. Ketterings (2017).  How does managing phosphorus with reduced manure rates affect soil nitrate and organic matter?  The Manager DairyBusiness and Hollsteinworld. The Manager. April 2017. pp 30-31.
  2. Lyons, S., Q.M. Ketterings, G. Godwin, J.H. Cherney, K.J. Czymmek, and T. Kilcer (2017). Planting date and N availability impact fall N uptake of triticale. What’s Cropping Up? 27(2): 20-22.
  3. Ketterings, Q.M., Guidelines for Land Application of Acid Whey (2017) Animal Science Bulletin 247. Department of Animal Science, Cornell University, Ithaca NY. http://nmsp.cals.cornell.edu/publications/files/AcidWheyGuidelines2017.pdf
  4. Sadeghpour, A., Q.M. Ketterings, G. Godwin, and K.J. Czymmek (2017). Impact of manure injection on alfalfa and grass hay stands. What’s Cropping Up? 27(1): 7-8.
  5. Ketterings, Q.M., K.J. Czymmek, S. Gami, M. Reuter, and M. Rutzke (2017). Stalk nitrate test results for New York corn fields from 2010 through 2016. What’s Cropping Up? 27(1): 5-6.
  6. Lawrence, J., Q.M. Ketterings, G. Godwin, K.J. Czymmek, and R.R. Mathur (2016). Using the corn stalk nitrate test under New York growing conditions. Crops and Soils Magazine. 6-7. doi:10.2134/cs2016.49.0502.
  7. Ketterings, Q.M., E. Hong, G. Godwin, S. Gami, and K.J. Czymmek (2016). Taking a corn stalk nitrate test sample after corn silage harvest. Crops and Soils Magazine. 8-10. doi:10.2134/cs2016.49.0502.
  8. Sadeghpour, A., S. Hetrick, K.J. Czymmek, G. Godwin and Q.M. Ketterings (2016). Managing soil test phosphorus in corn with manure and compost. What’s Cropping Up? 26(5): 86-87.
  9. Sadeghpour, A., S. Hetrick, K.J. Czymmek, G. Godwin and Q.M. Ketterings (2016). Impacts of manure and compost management on soil organic matter and nitrate dynamics. What’s Cropping Up? 26(5): 88-89.
  10. Sadeghpour, A., K.J. Czymmek, and Q.M. Ketterings (2016). Nitrous oxide emissions in corn are related to nitrogen inputs. DairyBusiness&HolsteinWorld. The Manager: Research Focus. pp 30-31.
  11. Ketterings, Q.M., S. Cela, K.J. Czymmek and S. Crittenden (2016). What is the nutrient balance of your dairy farm? What’s Cropping Up? 26(3): 43-45.
  12. Van Almelo, J., Q.M. Ketterings, and S. Cela. (2016).Integrating Record Keeping with Whole Farm Nutrient Mass Balance; A Case Study. What’s Cropping Up? 26(3): ?-??
  13. Ketterings, Q.M., S. Cela, K.J. Czymmek and S. Crittenden (2016). What is the Nutrient Balance of Your Dairy Farm? What’s Cropping Up? 26(3): ?-??
  14. Long, E., Q.M. Ketterings, M. Hauser, and W. DeGolyer (2016). Whole Farm Corn and Hay Yield Variability; a Dairy Farm Case Study. What’s Cropping Up? 26(3): ?-??
  15. Tang, Z, Q.M. Ketterings, K.J. Czymmek, S.N. Swink, and P. Cerosaletti (2016). Estimating Fall N Uptake by Winter Cereals Seeded as Cover or Double Crops after Corn Silage Harvest. What’s Cropping Up? 26(2): 20-22.
  16. Sadeghpour, A., K.J. Czymmek, Q.M. Ketterings (2016). Sidedressing saved money and N in 2015. Eastern DairyBusiness. The Manager. 8(2): 38-39.
  17. Sadeghpour, A., K.J. Czymmek, Q.M. Ketterings (2016). Value of manure lingers long after application. Eastern DairyBusiness. The Manager. 8(2): 37-38.
  18. Ketterings, Q.M., K.J. Czymmek. S. Gami, and M. Reuter (2016). Stalk nitrate test results for New York corn fields from 2007 through 2015. What’s Cropping Up? 26(1): 8.
  19. Tagarakis, A., I. Cornell, T. Pardoe, J. Cawley, M. Hunter, M. Stanyard, K. Czymmek and Q.M. Ketterings (2016). Proximal sensing for on-the-go variable rate N application in corn. What’s Cropping Up? 26(1): 9-12.
  20. Czymmek, K.J., L. Geohring, Q.M. Ketterings, P. Wright, T. Walter, G. Albrecht, J. Lendrum and A. Eaton (2015). Revised winter and wet weather manure spreading guidelines to reduce water contamination risk. Cornell University Animal Science Publication Series No. 245, Ithaca NY. 8 pages.
  21. Ketterings, Q.M., S. Ort, S.N. Swink, G. Godwin, T. Kilcer, J. Miller, B. Verbeten and K.J. Czymmek (2015). Winter cereals as double crops in corn rotations on New York dairy farms. What’s Cropping Up? 25(3): 31-33.
  22. Hanchar, J.J., Q.M. Ketterings, T. Kilcer, J. Miller, K. O’Neil, M. Hunter, B. Verbeten, S.N. Swink, and K.J. Czymmek (2015). Double cropping winter cereals for forage following corn silage: cost of production and expected changes in profit for New York dairy farms. What’s Cropping Up? 25(4): 39-41.
  23. Soberon, M., S. Cela, Q.M. Ketterings, C. Rasmussen, and K.J. Czymmek (2015). Change in nutrient mass balances over time for 54 New York dairy farms. What’s Cropping Up? 25(3): 22-24.
  24. Cela, S., Q.M. Ketterings, K.J. Czymmek. M. Soberon, and C. Rasmussen (2015). Trends in nutrient mass balances on four New York dairy farms. What’s Cropping Up? 25(3): 25-27.
  25. Cela, S. Q.M. Ketterings, K.J. Czymmek, M. Soberon, and C. Rasmussen (2015). Feasible whole farm nutrient mass balances for New York dairy farms. What’s Cropping Up? 25(2).
  26. Soberon, M. Q.M. Ketterings, K.J. Czymmek, S. Cela, C. Rasmussen (2015). Whole farm nutrient mass balance calculator for New York dairy farms. What’s Cropping Up? 25(2).
  27. Ketterings, Q.M. (2015). Integrating cover crops for N management in corn systems on northeastern dairies. Crops and Soils 48: 4: 18-19. doi:10.2134/cs2015-48-4-6.
  28. Czymmek, K.J., and Q.M. Ketterings (2015). Taking care of (manure) business – Strive to do the best possible job every time manure is applied. Eastern DairyBusiness. The Manager. 7(1): 16.
  29. Czymmek, K.J., A. Tagarakis, and Q.M. Ketterings (2015). Optical sensors for corn silage production – Sensors provide a way to check crop status and evaluate if more N is needed. Eastern DairyBusiness. The Manager. 7(1): 20-21.
  30. Ketterings, Q.M., K.J. Czymmek. S. Gami, and M. Reuter (2015). Stalk nitrate test results for New York corn fields from 2007 through 2014. What’s Cropping Up? 25(1):4.
  31. Cela, S., Q.M. Ketterings, K.J. Czymmek, M. Soberon, and C. Rasmussen (2014).  Whole farm nutrient balance benchmarks for New York dairies. Cornell Nutrition Conference Proceedings. Syracuse NY, October 21, 2014.
    http://ecommons.library.cornell.edu/bitstream/1813/37980/1/CNC2014_16_Ketterings.pdf.
  32. Ort, S.B., Q.M. Ketterings, S.N. Swink, G. Godwin, S. Gami, and K. Czymmek (2014). Spring carbon and nitrogen pools of wheat and cereal rye following corn silage. What’s Cropping Up? 23(3): 3-4.
  33. Ort, S., Q.M. Ketterings and K.J. Czymmek (2014). Nitrogen rate studies of winter cereals. Eastern DairyBusiness. The Manager. 6(2): 19.
  34. Ketterings, Q.M. and K.J. Czymmek (2014). 2013 Corn and nitrogen. Eastern DairyBusiness. The Manager. 6(2): 18-19.
  35. Ketterings, Q.M., J. Williard, S. Gami, and K.J. Czymmek (2013). Enhanced efficiency fertilizers; Laboratory study. What’s Cropping Up? 23(2): 13-15.
  36. Ort, S.B., M. Stanyard, S.N. Swink, Q.M. Ketterings, G. Godwin, S. Gami, K. Ganoe, and K. Czymmek (2013). Fall carbon and nitrogen uptake of various cover crop mixtures following small grains; fall 2010 and 2011 data. What’s Cropping Up? 23(2): 7-9.
  37. Ort, S.B., Q.M. Ketterings, K.J. Czymmek, G.S. Godwin, S.N. Swink and S.K. Gami (2013). Carbon and nitrogen uptake of cereal cover crops following corn silage. What’s Cropping Up? 23(2): 5-6.
  38. Ketterings, Q.M., and K.J. Czymmek (2013). Corn as a luxury consumer of N? Really? Eastern DairyBusiness; The Manager. 5(2): 19.
  39. Ketterings, Q.M., T. Kilcer, S. Ort and K.J. Czymmek (2013). Double cropping winter cereals yields triple bottom line. Eastern DairyBusiness; The Manager. 5(2): 15-16.
  40. Chase, L.E., Q.M. Ketterings, and K.J. Czymmek (2013) Corn silage and nitrates in drought conditions: 2012 post mortem analysis. Eastern DairyBusiness; The Manager. 5(2): 20.
  41. Ketterings, Q.M., G. Godwin, W. DeGolyer, and K. J. Czymmek (2013). Manure injection rate study at Table Rock farm. What’s Cropping Up? 23(1): 12-16.
  42. Long, E., K. Van Slyke, Q. M. Ketterings, G. Godwin, and K.J. Czymmek (2013). Triticale as a cover and double crop on a New York dairy. What’s Cropping Up? 23(1): 3-5.
  43. Long, E., Q.M. Ketterings, and K.J. Czymmek (2012). Survey of Cover Crop Use on New York Dairy Farms. What’s Cropping Up? 22(4): 17-19.
  44. Kilcer, T., Ort, S., Q.M. Ketterings, and K.J. Czymmek (2012). Winter-Forage Small Grains to Boost Feed Supply: Not Just a Cover Crop Anymore! What’s Cropping Up? 22(4): 1-2.
  45. Knight, J., Q.M. Ketterings, K.J. Czymmek, and R. Wildman (2012). Phosphorus saturation versus the New York P index? Impact on manure and fertilizer management in New York State. What’s Cropping Up? 22(3): 9-11.
  46. Ketterings, Q.M., and K.J. Czymmek (2012). P index survey: what caused impressive improvement in the NYS P Balance? What’s Cropping Up? 22(3):12-15.
  47. Ketterings, Q.M., G. Godwin, W. DeGolyer, and K.J. Czymmek (2012). Trial results for manure injection at Table Rock Farm. What’s Cropping Up? 22(2): 17-22.
  48. Ketterings, Q.M., G. Godwin, S. Gami, K. Dietzel, J. Cherney, and K.J. Czymmek (2012). Sulfur for alfalfa in New York State. What’s Cropping Up? 22(2): 12-16.
  49. Ketterings, Q.M., and K.J. Czymmek (2012). Farm-level tools refine nitrogen management. Eastern DairyBusiness; The Manager 4(2): 26-27.
  50. Czymmek, K.J., and Q.M. Ketterings (2012). Managing soils for better crops. Eastern DairyBusiness; The Manager 4(2): 28.
  51. Ketterings, Q.M., G. Godwin, C.L. Mohler, B. Caldwell, and K.J. Czymmek (2012). Impact of clover incorporation on ammonium, nitrate, and ISNT-N over time; 4-year summary. What’s Cropping Up? 22(1): 14-18.
  52. Ketterings, Q.M., G. Godwin, S.N. Swink, J. Foster, E. Hong, K.J. Czymmek, C. Albers, P. Barney, B. Boerman, S. Canner, P. Cerosaletti, A. Gabriel, M. Hunter, T. Kilcer, J. Lawrence, E. Young, and A. Wright (2012). Can manure replace the need for starter nitrogen fertilizer? 3-year Summary. What’s Cropping Up? 22(1): 8-12.
  53. Knight, J., P. Ristow, G. Swanepoel, K. Czymmek and Q.M. Ketterings (2012). Dairy and cash grain farmer perceptions of the value of manure. What’s Cropping Up? 22(1): 3-5.
  54. Ketterings, Q.M., G. Godwin, J. Cherney, and K. Czymmek (2011). Effect of manure, compost and potassium application on alfalfa yield, potassium content, and soil test potassium in Aurora, NY. What’s Cropping Up? 21(4): 8-12.
  55. Ketterings, Q.M., G. Godwin, J. Cherney, and K. Czymmek (2011). Comparison of tissue and whole plant potassium for alfalfa. What’s Cropping Up? 21(4): 13-15.
  56. Ristow, P.L., S. Moss, Q.M. Ketterings, K.J. Czymmek (2011). Understanding manure nutrient variability. What’s Cropping Up? 21(4): 19-23.
  57. Ketterings, Q.M., K.J. Czymmek, P. Ristow, C. Rasmussen, and S. Swink (2011). State, regional and farm-scale nutrient balances: tools for enhanced efficiency of whole farm nutrient use. 73rd Cornell Nutrition Conference for Feed Manufacturers October 18-20, 2011. Syracuse, NY. Proceedings pages 180-189.
  58. Ketterings, Q.M., E. Hong, G. Godwin, and K. Czymmek (2011). Variability of corn stalk nitrate test results as impacted by variety (BMR versus conventional). What’s Cropping Up? 21(3): 11-14.
  59. Ketterings, Q.M., G. Godwin, and K. Czymmek (2011). Effect of timing of nitrogen application on corn stalk nitrate test (CSNT) results. What’s Cropping Up? 21(4): 7-10.
  60. Ketterings, Q.M., J. Kingston, S. McIlvennie, E. Long, G. Godwin, S. Gami, M. Stanyard, and K. J. Czymmek (2011). Cover crop carbon and nitrogen content: Fall of 2010 sampling. What’s Cropping Up? 21(3): 1-4.
  61. Maguire, R., D. Beegle, J. McGrath, and Q.M. Ketterings (2011). Manure injection in no-till and pasture systems. Extension Publication. Mid Atlantic Water Program.
    http://www.mawaterquality.org/index.html.
  62. Ketterings, Q.M., G. Godwin, C.L. Mohler, B. Caldwell, and K.J. Czymmek (2011). Impact of clover incorporation and ammonium nitrate sidedressing on Illinois soil nitrogen test dynamics over time. 3-Year Summary. What’s Cropping Up? 21(2): 1-4.
  63. Caldwell, B, C.L. Mohler, Q.M. Ketterings and A. DiTommaso (2011). Yield and profitability during and after transition in the Cornell organic grain cropping systems experiment. What’s Cropping Up? 21(2): 7-11.
  64. Swink, S.N., Q.M. Ketterings, L.E. Chase, K.J. Czymmek, M.E. Van Amburgh (2011). Nitrogen balances for New York State: Implications for manure and fertilizer management. What’s Cropping Up? 21(2): 20-23.
  65. Ketterings, Q.M., G. Godwin, S.N. Swink, J. Foster, E. Hong, K.J. Czymmek, A. Wright, M. Hunter, J. Lawrence, S. Canner, C. Albers, A. Gabriel, E. Young, T. Kilcer and P. Barney (2011). Can manure replace the need for starter N fertilizer? What’s Cropping Up? 20(1): 14-17.
  66. Czymmek, K.J., and Q.M. Ketterings (2011). Shallow manure incorporation works. Eastern DairyBusiness 3(3): 20.
  67. Czymmek, K.J., Q.M. Ketterings, and J. Cherney (2011). Soil may supply adequate K. Eastern DairyBusiness 3(2): 22-23.
  68. Ketterings, Q.M., K.J. Czymmek, and J. Cherney (2011). Rethink added sulfur for alfalfa. Eastern DairyBusiness 3(2): 28-29.
  69. Ketterings, Q.M., and K.J. Czymmek (2011). Manure injection grows corn silage yields. Eastern DairyBusiness 3(2): 30-31.
  70. Czymmek, K.J., L. Geohring, J. Lendrum, P. Wright, G. Albrecht, B. Brower, and Q.M. Ketterings (2011). Manure management guidelines for limestone bedrock/karst areas of Genesee County, New York: Practices for risk reduction. Animal Science Publication Series No. 240.
  71. Czymmek, K.J, Q.M. Ketterings, L.E. Chase, and L. Goehring (2010). NY Phosphorus Index may not be perfect, but has served state well. Chesapeake Bay Journal; Forum. November 2010 issue. Downloadable from: http://www.bayjournal.com/article.cfm?article=3973.
  72. Swink, S.N., Q.M. Ketterings, L.E. Chase, K.J. Czymmek, M.E. Van Amburgh (2010). Nitrogen balances for the New York Upper Susquehanna River Watershed: Implications for manure and fertilizer management. What’s Cropping Up? 20(4): 7-10.
  73. Wharton, S., Q.M. Ketterings, K. Orloski, E. Hong, G. Godwin, and K. Czymmek (2010). Timing effects on late season corn stalk nitrate test. What’s Cropping Up? 20(3): 12-14.
  74. Grandt, S., Q.M. Ketterings, A. Lembo, F. Vermeylen, and K. Czymmek (2010). In-field spatial variability of soil test phosphorus and implications for agronomic and environmental phosphorus management. What’s Cropping Up? 20(3): 8-9.
  75. Place, A., Q.M. Ketterings, G. Godwin, J. Lawrence, B. Aldrich, P. Barney, and T. Kilcer (2010). Shallow incorporation of manure minimizes soil disturbance and conserves nitrogen. What’s Cropping Up? 20(3): 3-5.
  76. Hong, E., Q.M Ketterings, G. Godwin, S. Gami, and S. Wharton (2010). Effect of sampling height and length on corn stalk nitrate test results. What’s Cropping Up? 20(2): 9-11.
  77. Czymmek, K.J., and Q.M. Ketterings (2010). Troubleshooting 2009 corn crop nitrogen fertilization practices. NEDPA Proceedings 2010: 107-110.
  78. Godwin, G., Q.M. Ketterings, T. Kilcer and K.J. Czymmek (2010). Impact of nitrogen fertilizer source on corn yield and quality. What’s Cropping Up? 20(1): 5-7.
  79. Czymmek, K.J., and Q.M. Ketterings (2010). Managing potash in a dairy rotation. Eastern DairyBusiness 2(2): 12-13.
  80. Ketterings, Q.M., J. Lawrence, G. Godwin, N. Glazier, P. Barney, and K.J. Czymmek (2009). Evaluation of ISNT-based nitrogen management for multi-year corn sites. What’s Cropping Up? 19(3): 10-11.
  81. Godwin, G., Q.M. Ketterings. C.L. Mohler, B. Caldwell, and K.J. Czymmek (2009). Impact of clover incorporation and ammonium nitrate sidedressing on ammonium, nitrate, and Illinois Soil Nitrogen Test dynamics over time. What’s Cropping Up? 19(3): 12-15.
  82. Cox, W., P. Atkins, and Q.M. Ketterings (2009). Nitrogen sidedress rates on corn following soybeans. What’s Cropping Up? 19(2): 6.
  83. Swink*, S.N. Q.M. Ketterings, K.J. Czymmek, L.E. Chase, and J. Mekken* (2009). Upper Susquehanna River Watershed cropland P balances. What’s Cropping Up 19(2): 1-3.
  84. Place*, A., Q.M. Ketterings, G. Godwin, K.J. Czymmek, S. Bossard, P. Barney, J. Lawrence, B. Aldrich, T. Kilcer (2009). Comparing manure incorporation methods in reduced till systems. What’s Cropping Up 19(2): 4-5.
  85. Czymmek, K.J., and Q.M. Ketterings (2009). Can you replace starter N with manure? Eastern DairyBusiness 1(2): 19.
  86. Ketterings, Q.M., J.H. Cherney, and K.J. Czymmek (2009). 10 tips to manage manure on alfalfa-grass fields. Eastern DairyBusiness 1(2): 20 (+23).
  87. Ketterings, Q.M., and K.J. Czymmek (2009). Getting a good read on P. Eastern DairyBusiness 1(2): 21 (+23).
  88. Czymmek, K.J., Q.M. Ketterings, and J.H. Cherney (2009). Potassium management makes good sense. Eastern DairyBusiness 1(2): 22-23.
  89. Czymmek, K. and Q.M. Ketterings (2009). A one-two punch for corn N management. The Manager. Eastern DairyBusiness 1(1): 22-23.
  90. Swink, S., Q.M. Ketterings, K. Czymmek and L. Chase (2009). Dairies improve P management. The Manager. Eastern Dairybusiness 1(1): 20-21.
  91. Bruulsema, T. and Q.M. Ketterings (2008). Best management for fertilizers on Northeastern dairy farms. IPNI. 7 pages.
  92. Ketterings, Q.M., S. Swink*, S. Duiker, K.J. Czymmek, D. Beegle, and W. Cox (2008). Nitrogen benefits of winter cover crops. Agronomy Fact Sheet 43. What’s Cropping Up? 18(6): 8-9.
  93. Ketterings, Q.M, J.H. Cherney, K.J. Czymmek, E. Frenay*, S.D. Klausner, L.E. Chase and Y.H. Schukken (2008). New bulletin: manure use for alfalfa-grass production. What’s Cropping Up? 18(5): 7-8.
  94. Swink*, S., Q.M. Ketterings, K.J. Czymmek, and L.E. Chase (2008). Proactive agricultural and environmental management by New York dairy farmers greatly reduced cropland P balances. What’s Cropping Up? 18(5): 1-4.
  95. Cox, W., P. Atkins, and Q.M. Ketterings (2008). Topdress N rate studies on soft white winter wheat in 2007 and 2008. What’s Cropping Up? 18(4): 6-7.
  96. Ketterings, Q.M., J.H. Cherney, K.J. Czymmek, E. Frenay*, S.D. Klausner, L.E. Chase, and Y.H. Schukken (2008). Manure use for alfalfa-grass production. Department of Animal Science Mimeo 231/Department of Crop and Soil Sciences Extension Series E08-3. Cornell University. 43 pages.
  97. Lawrence*, J.R., Q.M. Ketterings, and K.J. Czymmek (2008). Illinois Soil N Test (ISNT) useful tool for NYS corn producers. What’s Cropping Up? 18(3): 4-5.
  98. Cox, W., Q.M. Ketterings, W.S. Reid and K.J. Czymmek (2008). Spring N management on winter wheat in New York? What’s Cropping Up? 18(1): 12-14.
  99. Rao, R., C.P. Mazza, J. Ameroso, Q.M. Ketterings, and H. Krol* (2008). New York City Soil Sample Survey (2002-2006). CSS Extension Bulletin E08-2. 55 pages.
  100. Rao, R., R. Tindell, Q.M. Ketterings, and H. Krol* (2008). Erie County Soil Test Summary (2002-2006). CSS Extension Bulletin E08-1. 28 pages. 
  101. Lawrence*, J. Q.M. Ketterings, S. Bossard, K. Czymmek (2007). Manure N conservation with chisel plow versus Aerway incorporation. What’s Cropping Up? 17(4): 1-3.
  102. Rao, R., J.J. Schell, Q.M. Ketterings, and H. Krol* (2007). Schoharie County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-55. 22 pages.
  103. Rao, R., R. Tuthill, Q.M. Ketterings, and H. Krol* (2007). Nassau County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-54. 14 pages. 
  104. Rao, R., S. Beebe, Q.M. Ketterings, and H. Krol* (2007). Saratoga County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-53. 29 pages. 
  105. Rao, R., D. Sloman, Q.M. Ketterings, and H. Krol* (2007). Otsego County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-52. 29 pages.
  106. Rao, R., B. Armata, Q.M. Ketterings, and H. Krol* (2007). Herkimer County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-51. 24 pages.
  107. Rao, R., S. Place, R. Hargrave, Q.M. Ketterings, and H. Krol* (2007). Chenango County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-50. 20 pages.
  108. Rao, R., C. Stewart, Q.M. Ketterings, and H. Krol* (2007). Montgomery County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-49. 20 pages.
  109. Rao, R., C. Stewart, Q.M. Ketterings, and H. Krol* (2007). Fulton County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-48. 20 pages.
  110. Rao, R., J. Walsh, Q.M. Ketterings, and H. Krol* (2007). Sullivan County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-47. 35 pages.
  111. Rao, R., D. Moyer, Q.M. Ketterings, and H. Krol* (2007). Suffolk County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-46. 34 pages.
  112. Rao, R., D. Olsen, Q.M. Ketterings, and H. Krol* (2007). Putnam County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-45. 21 pages.
  113. Rao, R., P. Trader, Q.M. Ketterings, and H. Krol* (2007). Rockland County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-44. 21 pages.
  114. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Wayne County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-43. 35 pages.
  115. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Orleans County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-42. 35 pages.
  116. Rao, R., J. Degni, Q.M. Ketterings, and H. Krol* (2007). Tompkins County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-41. 34 pages.
  117. Rao, R., J. Degni, Q.M. Ketterings, and H. Krol* (2007). Tioga County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-40. 30 pages.
  118. Rao, R., J. Degni, Q.M. Ketterings, and H. Krol* (2007). Cortland County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-39. 31 pages.
  119. Rao, R., J. Degni, Q.M. Ketterings, and H. Krol* (2007). Broome County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-38. 30 pages.
  120. Rao, R., C. Kyle, Q.M. Ketterings, and H. Krol* (2007). Onondaga County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-37. 35 pages.
  121. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Niagara County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-36. 32 pages.
  122. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Monroe County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-35. 34 pages.
  123. Rao, R., B. Aldrich, Q.M. Ketterings, and H. Krol* (2007). Cayuga County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-34. 34 pages.
  124. Rao, R., M. Bessire, Q.M. Ketterings, and H. Krol* (2007). Greene County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-33. 31 pages.
  125. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Yates County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-32. 34 pages.
  126. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Genesee County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-31. 33 pages.
  127. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Ontario County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-30. 35 pages.
  128. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Livingston County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-29. 34 pages.
  129. Rao, R., K. Green, Q.M. Ketterings, and H. Krol* (2007). Oswego County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-28. 33 pages.
  130. Rao, R., S.D. Mallozzi, Q.M. Ketterings, and H. Krol* (2007). Dutchess County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-27. 34 pages.
  131. Rao, R., M. Fargione, Q.M. Ketterings, and H. Krol* (2007). Ulster County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-26. 34 pages.
  132. Haden, R., Q.M. Ketterings, J. Kahabka, and K.J. Czymmek (2007). How quickly will soil test P levels increase? What’s Cropping Up? 17(3): 3-4.
  133. Rao, R., K. Evans, Q.M. Ketterings, and H. Krol* (2007). Madison County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-25. 34 pages.
  134. Rao, R., C. Logue, Q.M. Ketterings, and H. Krol* (2007). Schenectady County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-24. 19 pages.
  135. Rao, R., A. Gabriel, Q.M. Ketterings, and H. Krol* (2007). Washington County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-23. 33 pages.
  136. Rao, R., B. Tillapaugh, Q.M. Ketterings, and H. Krol* (2007). Wyoming County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-22. 35 pages
  137. Rao, R., L. Hulle, Q.M. Ketterings, and H. Krol* (2007). Orange County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-21. 34 pages.
  138. Rao, R., M. Dennis, Q.M. Ketterings, and H. Krol* (2007). Seneca County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-20. 32 pages.
  139. Rao, R., D. Dewing, Q.M. Ketterings, and H. Krol* (2007). Delaware County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-19. 35 pages.
  140. Rao, R., T. Kilcer, Q.M. Ketterings, and H. Krol* (2007). Rensselaer County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-18. 35 pages.
  141. Rao, R., T. Gallagher, Q.M. Ketterings, and H. Krol* (2007). Albany County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-17. 34 pages.
  142. Rao, R., S. Hadcock, Q.M. Ketterings, and H. Krol* (2007). Columbia County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-16. 35 pages.
  143. Rao, R., J.G. Lee, G.G. Giordano, Q.M. Ketterings, and H. Krol* (2007). Westchester County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-15. 19 pages.
  144. Rao, R., J. Miller, Q.M. Ketterings, and H. Krol* (2007). Oneida County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-14. 36 pages.
  145. Rao, R., D. Sprague, Q.M. Ketterings, and H. Krol* (2007). Cattaraugus County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-12. 33 pages.
  146. Rao, R., D. Sprague, Q.M. Ketterings, and H. Krol* (2007). Chautauqua County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-11. 34 pages.
  147. Rao, R., D. Sprague, Q.M. Ketterings, and H. Krol* (2007). Allegany County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-10. 33 pages.
  148. Rao, R., B Chedzoy, C. Albers, E. Dalrymple, Q.M. Ketterings, and H. Krol* (2007). Schuyler County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-9. 32 pages.
  149. Rao, R., C. Albers, Q.M. Ketterings, and H. Krol* (2007). Steuben County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-8. 34 pages.
  150. Rao, R., J. Grace, C. Albers, M. Watts, Q.M. Ketterings, and H. Krol** (2007). Chemung County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-7. 32 pages.
  151. Rao, R. A., Deming, Q.M. Ketterings, and H. Krol* (2007). Essex County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-6. 34 pages.
  152. Rao, R., M. Hunter, Q.M. Ketterings, and H. Krol* (2007). Jefferson County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-5. 36 pages.
  153. Rao, R. A. Ivy, Q.M. Ketterings, and H. Krol* (2007). Clinton County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-4. 33 pages.
  154. Rao, R., C. Tillinghast, Q.M. Ketterings, and H. Krol* (2007). Franklin County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-3. 32 pages. 
  155. Rao, R., P. Barney, Q.M. Ketterings, and H. Krol* (2007). St. Lawrence County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-2. 35 pages.
  156. Rao, R., J. Lawrence*, S. Place*, Q.M. Ketterings, and H. Krol* (2007). Lewis County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-1. 34 pages.
  157. Lawrence*, J., J.H. Cherney, P. Barney, and Q.M. Ketterings (2007). Switchgrass management in New York State. What’s Cropping Up? 17(2): 2-3.
  158. Ketterings, Q.M., and K.J. Czymmek (2007). New York corn producers make a difference! Phosphorus fertilizer imports 2003-2005 reduced by 26.7 million lbs of P2O5. What’s Cropping Up? 17(2): 4.
  159. Lawrence*, J., Q.M. Ketterings, K.J. Czymmek, and G. Godwin* (2007). Nitrogen savings for first year corn.  What’s Cropping Up? 17(1): 1-2.
  160. Ketterings, Q.M., and K.J. Czymmek (2007). Are manure and established alfalfa a good mix? The Manager. Northeast DairyBusiness 9(2): 14-15.
  161. Lawrence*, J., Q.M. Ketterings, K.J. Czymmek, and G. Godwin (2007). Save on nitrogen costs. The Manager. Northeast DairyBusiness 9(2): 16-17.
  162. Lawrence*, J. Q.M. Ketterings, K.J. Czymmek (2007). What’s next for the Corn N Project? The Manager. Northeast DairyBusiness 9(2): 19.
  163. Ketterings, Q.M., K.J. Czymmek, S. Swink* (2007). The state of New York’s phosphorus balance. The Manager. Northeast DairyBusiness 9(2): 20-21.
  164. Czymmek, K.J., and Q.M. Ketterings (2007). Attend to lime. The Manager. Northeast DairyBusiness 9(2): 26.
  165. Ketterings, Q.M., J. Lawrence*, K.J. Czymmek and G. Godwin* (2006). Do we need additional nitrogen for corn? In: Field Crop Dealer Meetings, Department of Crop and Soil Sciences Extension Series No E06-4, October 24-27, 2006. p 5.
  166. Ketterings, Q.M., E. Frenay*, J.H. Cherney, K.J. Czymmek, S. Klausner, L.E. Chase, and Y.H. Schukken (2006). Application of manure to established stands of alfalfa and alfalfa-grass (2006). In: Field Crop Dealer Meetings, Department of Crop and Soil Sciences Extension Series No E06-4, October 24-27, 2006. p 515.
  167. Ketterings, Q.M., C. Rasmussen*, and K.J. Czymmek (2006). Integrated Nutrient Management; Crossing Discipline boundaries for improved farm sustainability. Contribute to Danny Fox. 2006 Cornell Nutrition Conference for feed manufacturers. Syracuse, NY. October 24-26, 2006. pp 39-44.
  168. Mekken*, J.C., S.N. Swink*, and Q.M Ketterings (2006). Statewide and country-based phosphorus balances for New York State. Department of Crop and Soil Sciences Extension Series E06-03. Cornell University, Ithaca, NY. 126 pages.
  169. Ketterings, Q.M., W.S. Reid, and K.J. Czymmek (2006). Lime guidelines for field crops in New York. Department of Crop and Soil Sciences Extension Series E06-02. Cornell University, Ithaca, NY. 35 pages.
  170. Ketterings, Q.M., J. Klapwyk*, and K.J. Czymmek (2006). Nitrogen management tools for corn. The Manager. Northeast Dairy Business 8(4): 34-35.
  171. Ketterings, Q.M., and K.J. Czymmek (2006). Which fields need extra N? The Manager. Northeast Dairy Business 8(4): 24 and 33.
  172. Czymmek, K.J., Q.M. Ketterings, C. Rasmussen* and L. Chase (2006). Striking the right balance. The Manager. Northeast Dairy Business 8(4): 21-22.
  173. Ketterings, Q.M., G. Godwin*, T.F. Kilcer, P. Barney, M. Hunter, J.C. Cherney, and S. Beer (2006). Nitrogen, phosphorus, and potassium removal by brown midrib sorghum sudangrass. What’s Cropping Up? 16(1): 4-6.
  174. Rasmussen*, C.N., Q.M. Ketterings, G. Albrecht*, L. Chase, and K.J. Czymmek (2006). Mass nutrient balances – a management tool for New York dairy and livestock farms. In Silage for Dairy Farms; Growing, Harvesting, Storing, and Feeding. NRAES Conference. Harrisburg, PA, January 23-25. Pages 396- 414.
  175. Rasmussen*, C.N., Q.M. Ketterings, J. Mekken*, K.J. Czymmek and L.E. Chase (2005). Statewide and whole farm phosphorus balances- tools to help with long-term nutrient planning on dairy and livestock farms. What’s Cropping Up? 15(6): 7-9.
  176. Klapwyk*, J., Q.M. Ketterings, G. Godwin*, N. Galens*, and D. Wang* (2005). Illinois soil N test (aminosugar N test) for determining if corn needs additional N – update on 3 years of NY research. In: Field Crop Dealer Meetings, Department of Crop and Soil Sciences Extension Series No E05-1, October 25-28, 2005. pages 13-14.
  177. Ketterings, Q.M., C. Rasmussen, J. Mekken*, and K. Czymmek (2005). Statewide, County-based and whole farm nutrient balances. Tools to help with long-term nutrient planning. In: Field Crop Dealer Meetings, Department of Crop and Soil Sciences Extension Series No E05-1, October 25-28, 2005. pages 19-21.
  178. Brock*, E., Q.M. Ketterings, and M. McBride (2005). Copper and zinc accumulation in manured soils. What’s Cropping Up? 15(5): 5-7.
  179. Ketterings, Q.M., G. Godwin*, T.F. Kilcer, P. Barney, M. Hunter, J.H. Cherney, and S. Beer (2005). Nitrogen management for brown midrib sorghum sudangrass: Results of six NY field studies in 2004. What’s Cropping Up? 15(4): 4-7.
  180. Ketterings, Q.M., and K.J. Czymmek (2005). What you need to know about N. Nutrient Management. April 2005. The Manager. Northeast Dairy Business 7(4): 32-33.
  181. Czymmek, K.J., and Q.M. Ketterings (2005). Get the most out of the PSNT. Nutrient Management. April 2005. The Manager. Northeast Dairy Business 7(4): 32-33.
  182. Ketterings, Q.M., and K.J. Czymmek (2005). How much P is enough? Nutrient Management. April 2005. The Manager. Northeast Dairy Business 7(4): 37 and 39.
  183. Czymmek, K.J., Q.M. Ketterings, J. Ten Eyck, and T. Horvath (2005). The New York CAFO Program: successfully connecting science, policy, regulation, and implementation. New York Water Environmental Association Inc. Clearwaters Magazine 35(1): 27-28. http://www.nywea.org/clearwaters/05-spring/NYCAFO.pdf.
  184. Czymmek, K.J., Q.M. Ketterings, and G.L. Albrecht* (2005). Dairy producers: is it time to take a look at your phosphorus fertilizer rates for corn? Small Farms Quarterly Spring 2005 (April 11, 2005). Page 8.
  185. Czymmek, K.J., D. Beegle, and Q.M. Ketterings (2005). Implications of agronomic and environmental considerations in land application of manure in dairy farm systems of the Northeast and Mid-Atlantic Regions of the United States. NRAES Conference. March 15-17, 2005. Dairy Manure Management: Treatment, Handling and Community Relations. NRAES-176. pp 1-10. Also appeared in Ag Nutrient Management 2(2)(2006): 6-12.
  186. Czymmek, K.J., L.D. Geohring, Q.M. Ketterings, P. Wright, and A. Eaton (2005). Supplemental manure spreading guidelines to reduce water contamination risk during adverse weather conditions. What’s Cropping Up? 15(3): 1-3.
  187. Ketterings, Q.M., J.H. Cherney, T.F. Kilcer, and P. Cerosaletti (2005). Phosphorus removal by brown midrib sorghum x sudangrass. What’s Cropping Up? 15(1): 5-7.
  188. Ketterings, Q.M., G. Albrecht*, M. Hunter, P. Carey, S.N. Swink*, and K.J. Czymmek (2004). Whole farm corn starter phosphorus fertilizer imports. What’s Cropping Up? 14(6): 3-5.
  189. Ketterings, Q.M., J.E. Kahabka*, and W.S. Reid (2004). The phosphorus fertility status of New York agricultural land. What’s Cropping Up? 14(5): 3-6. (Also appeared as abstract in Field Crop Dealer Meetings, October 26-29, 2004. CSS Extension Series No. E04-33, October 2004).
  190. Ketterings, Q.M., S. Swink*, G. Godwin*, K.J. Czymmek, and G. Albrecht* (2004). New York Starter Phosphorus Project: Does starter P fertilizer impact silage quality? What’s Cropping Up? 14(5): 1-2.
  191. Ketterings, Q.M., H. Krol*, W.S. Reid, and D. Olsen (2004). Soil sample survey of Putman County. CSS Extension Bulletin E04-32. 8 pages.
  192. Ketterings, Q.M., H. Krol*, W.S. Reid, and C.A. Logue (2004). Soil sample survey of Schenectady County. CSS Extension Bulletin E04-31. 37 pages.
  193. Ketterings, Q.M., H. Krol*, W.S. Reid, and P. Carey (2004). Soil sample survey of Sullivan County. CSS Extension Bulletin E04-30. 38 pages.
  194. Ketterings, Q.M., H. Krol*, W.S. Reid, and M.J. Fargione (2004). Soil sample survey of Ulster County. CSS Extension Bulletin E04-29. 40 pages.
  195. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Soil sample survey of Saratoga County. CSS Extension Bulletin E04-28. 38 pages.
  196. Ketterings, Q.M., H. Krol*, W.S. Reid, J.G. Lee, and G.G. Giordano (2004). Soil sample survey of Westchester County. CSS Extension Bulletin E04-27. 23 pages.
  197. Ketterings, Q.M., H. Krol*, W.S. Reid, and J.B. Siecska (2004). Soil sample survey of Suffolk County. CSS Extension Bulletin E04-26. 37 pages.
  198. Ketterings, Q.M., H. Krol*, W.S. Reid, and L. Hulle (2004). Soil samples survey of Orange County. CSS Extension Bulletin E04-25. 39 pages.
  199. Ketterings, Q.M., H. Krol*, W.S. Reid, and S.D. Mallozzi (2004). Soil samples survey of Dutchess County. CSS Extension Bulletin E04-24. 39 pages.
  200. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Greene Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-23. 36 pages.
  201. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Van der Heide (2004). Oswego Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-22. 37 pages.
  202. Ketterings, Q.M., G. Godwin*, J.H. Cherney, S. Beer and T.F. Kilcer (2004). Potassium management for brown mid rib sorghum sudangrass. Results of two years of studies at the Mt Pleasant Research Farm. What’s Cropping Up? 14(3): 4-5.
  203. Ketterings, Q.M., H. Krol*, C.P. Mazza, and W.S. Reid (2004). New York City Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-21. 71 pages.
  204. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Nassau Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-20. 21 pages.
  205. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Degni (2004). Tompkins Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-19. 37 pages.
  206. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Degni (2004). Tioga Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-18. 37 pages.
  207. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Degni (2004). Cortland Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-17. 36 pages.
  208. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Degni (2004). Chemung Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-16. 37 pages.
  209. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Degni (2004). Schuyler Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-15. 37 pages.
  210. Ketterings, Q.M., G. Godwin*, J.H. Cherney, S. Beer and T.F. Kilcer (2004). Nitrogen management for brown mid rib sorghum sudangrass. Results of two years of studies at the Mt Pleasant Research Farm. What’s Cropping Up? 14(2): 5-6.
  211. Ketterings, Q.M., H. Krol*, W.S. Reid, and S.E. Hadcock (2004). Columbia Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-14. 38 pages.
  212. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2004). Wayne Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-13. 40 pages.
  213. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Ganoe (2004). Fulton Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-12. 36 pages.
  214. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Ganoe (2004). Herkimer Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-11. 38 pages.
  215. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Ganoe (2004). Montgomery Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-10. 37 pages.
  216. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Ganoe (2004). Otsego Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-9. 37 pages.
  217. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Ganoe (2004). Chenango Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-8. 37 pages.
  218. Ketterings, Q.M., H. Krol**, and W.S. Reid (2004). Rockland Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-7. 21 pages.
  219. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2004). Ontario Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-6. 40 pages.
  220. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2004). Yates Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-5. 40 pages.
  221. Ketterings, Q.M., S. Swink*, G. Godwin*, K.J. Czymmek, A. Durow*, and G.L Albrecht* (2004). New York Starter Phosphorus Project – Results of the 2003 growing season. What’s Cropping Up? 14(1): 1-3.
  222. Czymmek, K.J, and Q.M. Ketterings (2004). Seven tips to manage N for top-yielding corn. Northeast DairyBusiness 6:26-27.
  223. Ketterings, Q.M., H. Krol*, W.S. Reid and M. Dennis (2004). Seneca County Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-4. 38 pages.
  224. Ketterings, Q.M., H. Krol*, W.S. Reid, N. Herendeen and R.N. King (2004). Monroe Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-3. 40 pages.
  225. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Broome Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-2. 37 pages.
  226. Whole farm nutrient management on dairy farms to improve profitability and reduce environmental impacts (2004). Department of Crop and Soil Sciences Research Series R04-1 and University of Wisconsin Extension Publication A3794. Report on collaboration among Cornell University, University of Wisconsin-Madison, and USDA-ARS Dairy Forage Research Center.  April 2004.
  227. Ketterings, Q.M., H. Krol*, W.S. Reid, and L. Fields (2003). Schoharie Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-33. 38 pages.
  228. Ketterings, Q.M., H. Krol*, W.S. Reid, and T. Gallagher (2003). Albany Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-31. 39 pages.
  229. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2003). Orleans Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-30. 39 pages.
  230. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2003). Niagara Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-29. 40 pages.
  231. Ketterings, Q.M., H. Krol*, and W.S. Reid (2003). Erie Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-28. 38 pages.
  232. Ketterings, Q.M., G.L. Albrecht*, and K.J. Czymmek (2003). Whole farm crop and manure nutrient management. Help! In: Proceedings 2003 Cornell Nutrition Conference. Department of Animal Science, Cornell University. October 21-23, 2003. Pages 245-250.
  233. Ketterings, Q.M., H. Krol*, W.S. Reid, and D. Sprague (2003). Cattaraugus Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-27. 39 pages.
  234. Ketterings, Q.M., H. Krol*, W.S. Reid, N. Herendeen, and D. Thorp (2003). Livingston Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-26. 40 pages.
  235. Czymmek, K.J., Q.M. Ketterings and H. van Es (2003). You can reduce the risks of leaching. Northeast DairyBusiness 5(10): 22-23.
  236. Ketterings, Q.M., K.J. Czymmek, S. Swink*, G. Albrecht*, G. Godwin*, and A. Durow* (2003). New York State Starter Phosphorus Project. In: Field Crop Dealer Meetings. Department of Crop and Soil Sciences Extension Series E03-25. Pages 11-12.
  237. Kilcer, T.F., Q.M. Ketterings, P. Cerosaletti, J.H. Cherney, P. Barney, M. Hunter, G. Godwin* and G. Albrecht* (2003). Brown midrib sorghum-sudangrass in New York State. In: Field Crop Dealer Meetings. Department of Crop and Soil Sciences Extension Series E03-25. Pages 19-20.
  238. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2003). Genesee Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-24. 39 pages.
  239. Ketterings, Q.M., H. Krol*, W.S. Reid, and A. Gabriel (2003). Washington Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-23. 38 pages.
  240. Ketterings, Q.M., H. Krol*, W.S. Reid, and B. Tillapaugh (2003). Wyoming Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-22. 40 pages.
  241. Ketterings, Q.M., H. Krol*, W.S. Reid, and T. Kilcer (2003). Rensselaer Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-21. 38 pages.
  242. Kilcer, T.F., Q.M. Ketterings, P. Cerosaletti, P. Barney and J.H. Cherney (2003). Cutting height management for brown mid rib sorghum sudangrass. What’s Cropping Up? 13(4): 4-6.
  243. Czymmek, K.J., Q.M. Ketterings, L.D. Geohring, and G.L. Albrecht* (2003). New release: New York phosphorus index: user’s manual and documentation. What’s Cropping Up? 13(4): 7.
  244. Ketterings, Q.M., H. Krol*, W.S. Reid, and A.E. Staehr (2003). Onondaga Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-20. 39 pages.
  245. Ketterings, Q.M., H. Krol*, W.S. Reid, and D. Sprague (2003). Allegany Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-19. 38 pages.
  246. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Evans (2003). Madison Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-18. 39 pages.
  247. Ketterings, Q.M., H. Krol*, W.S. Reid, and Jeff Miller (2003). Oneida Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-17. 38 pages.
  248. Ketterings, Q.M., S.D. Klausner, and K.J. Czymmek (2003). Nitrogen guidelines for field crops in New York. Second Release. Department of Crop and Soil Sciences Extension Series E03-16. Cornell University, Ithaca, NY. 70 pages.
  249. Ketterings, Q.M., K.J. Czymmek, and S.D. Klausner (2003). Phosphorus guidelines for field crops in New York. Second Release. Department of Crop and Soil Sciences Extension Series E03-15. Cornell University, Ithaca, NY. 35 pages.
  250. Ketterings, Q.M., S.D. Klausner, and K.J. Czymmek (2003). Potassium guidelines for field crops in New York. Second Release. Department of Crop and Soil Sciences Extension Series E03-14. Cornell University, Ithaca, NY. 41 pages.
  251. Czymmek, K.J., Q.M. Ketterings, L.D. Geohring and G.L. Albrecht* (2003). New York State Phosphorus Runoff Index. CSS Extension Bulletin E03-13. 72 pages.
  252. Ketterings, Q.M., H. Krol*, W.S. Reid, and D. Sprague (2003). Chautauqua Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-12. 37 pages.
  253. Ketterings, Q.M., H. Krol*, W.S. Reid, and C. Tillinghast (2003). Franklin Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-11. 37 pages.
  254. Cox, B., and Q.M. Ketterings (2003). Soybeans: Add the inoculum but forget the starter N. What’s Cropping Up? 13(3): 5.
  255. Albrecht*, G.L., C.N. Rasmussen*, Q.M. Ketterings, K.J. Czymmek and V. Durbal (2003). Coming attraction: Cornell Cropware v2.0. What’s Cropping Up? 13(3): 6.
  256. Ketterings, Q.M., K.J. Czymmek, G.L. Albrecht*, C. Rasmussen*, and B. Dybwad* (2003). Nutrient Management Spear Program Website. Access to nutrient management research and extension for NY.  What’s Cropping Up? 13(3): 7.
  257. Ketterings, Q.M., H. Krol*, W.S. Reid, and D. Dewing (2003). Delaware Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-10. 39 pages.
  258. Ketterings, Q.M., H. Krol*, W.S. Reid, and A.E. Spaugh (2003). Clinton Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-9. 37 pages.
  259. Ketterings, Q.M., H. Krol*, W.S. Reid, and A. Deming (2003). Essex Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-8. 37 pages.
  260. Ketterings, Q.M., T.W. Katsvairo*, J.H. Cherney, and T.K. Kilcer (2003). Nitrogen management for brown mid rib sorghum sudangrass: Results of the 2002 Mt Pleasant trial. What’s Cropping Up? 13(2): 1-3.
  261. Ketterings, Q.M., T.W. Katsvairo*, J.H. Cherney, and T.K. Kilcer (2003). Potassium management for brown mid rib sorghum sudangrass: Results of the 2002 Mt Pleasant trial. What’s Cropping Up? 13(2): 6-7.
  262. Cox, B., and Q.M. Ketterings (2003). N sidedress rates on corn following soybeans. What’s Cropping Up? 13(2): 8-9.
  263. Ketterings, Q.M., H. Krol*, W.S. Reid, and C. Albers (2003). Steuben Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-7. 37 pages.
  264. Ketterings, Q.M., H. Krol*, W.S. Reid, and S. Bossard (2003). Cayuga Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-6. 37 pages.
  265. Ketterings, Q.M., H. Krol*, W.S. Reid, and M. Hunter (2003). Lewis Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-5. 37 pages.
  266. Ketterings, Q.M., H. Krol*, W.S. Reid, and M. Hunter (2003). Jefferson Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-4. 37 pages.
  267. Ketterings, Q.M., H. Krol*, W.S. Reid, and P. Barney (2003). St Lawrence Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-3. 37 pages.
  268. Czymmek, K.J., Q.M. Ketterings, H van Es, and S.D. DeGloria (2003). The New York Nitrate Leaching Index. CSS Extension Bulletin E03-2. 34 pages.
  269. Ketterings, Q.M., T. Byron*, G. Godwin* and K.J. Czymmek (2003). Phosphorus Starter Project – Results of the 2002 growing season. What’s Cropping Up? 13(1): 4-6.
  270. Kilcer, T.F., Q.M. Ketterings, T. Katsvairo*, and J.H. Cherney (2002). Nitrogen management for sorghum sudangrass. How to optimize N uptake efficiency? What’s Cropping Up? 12 (5): 6-9.
  271. Ketterings, Q.M. and K.J. Czymmek (2002). Phosphorus soil testing and nutrient management planning in New York. What’s Cropping Up? 12 (4): 1-3.
  272. ASB consortium (2002). ASB Policybrief 04: Reducing smoke pollution from tropical fires. 4 pp. Article is downloadable from: http://www.asb.cgiar.org/publication/reducing-smoke-pollution-tropical-fires.
  273. Cox, B., Q.M. Ketterings, and H. van Es (2002). How much N fertilizer on corn following soybeans or wheat/clover? What’s Cropping Up? 12 (3): 5.
  274. Cerosaletti, P., Q.M. Ketterings, and T.F. Kilcer (2002). 2001 Delaware County BMR sorghum sudangrass trial. What’s Cropping Up? 12(3): 1-3.
  275. Rasmussen*, C.N., Q.M. Ketterings, and G. Albrecht* (2002). Cornell Cropware version 1.0, a cuNMPS software program. In: Developing and applying next generation tools for farm and watershed nutrient management to protect water quality. Cornell Animal Science Department Mimeo 220 and Crop and Soil Science Extension Series E02-1. pp 13-29.
  276. Cox, B. and Q.M. Ketterings (2002). Do soybeans respond to starter fertilizer and seed inoculum? What’s Cropping Up? 12 (2): 1.
  277. Byron*, T.M., Q.M. Ketterings, and K.J. Czymmek (2002). Phosphorus starter demonstration project. Results of the 2001 growing season. What’s Cropping Up? 12 (2): 4-5.
  278. Van Noordwijk, M., and Q.M. Ketterings (2002). Tebas-bakar dan manfaat perbakerannya. Seri: Wanatani Karet 14.
  279. Czymmek, K.J., Q.M. Ketterings, and H. van Es (2001). The New York Nitrate Leaching Index. What’s Cropping Up? Volume 11(5): 1-3.
  280. Rasmussen*, C.N., G. Albrecht*, K.J. Czymmek, and Q.M. Ketterings (2001). Cornell Cropware. What’s Cropping Up? Volume 11(5): 7.
  281. Ketterings, Q.M., T. Byron*, and K.J. Czymmek (2001). P starter demonstration/research project – 2001. In: Field Crop Dealer Meetings. Department of Crop and Soil Sciences Extension Series E01-7. Pages 3-6.
  282. Ketterings, Q.M., B. Bellows, K.J. Czymmek, W.S. Reid, and R.F. Wildman (2001). Do Modified Morgan and Mehlich-III P have a Morgan P equivalent? In: Field Crop Dealer Meetings. Department of Crop and Soil Sciences Extension Series E01-7. Pages 15-19.
  283. Ketterings, Q.M., S.D. Klausner, and K.J. Czymmek (2001). Potassium recommendations for field crops in New York. Department of Crop and Soil Sciences Extension Series E01-6. Cornell University, Ithaca, NY. 39 pages.
  284. Ketterings, Q.M., K.J. Czymmek, and S.D. Klausner (2001). Phosphorus recommendations for field crops in New York. Department of Crop and Soil Sciences Extension Series E01-5. Cornell University, Ithaca, NY. 32 pages.
  285. Ketterings, Q.M., S.D. Klausner, and K.J. Czymmek (2001). Nitrogen recommendations for field crops in New York. Department of Crop and Soil Sciences Extension Series E01-4. Cornell University, Ithaca, NY. 45 pages.
  286. Czymmek, K.J., Q.M. Ketterings, and L.D. Geohring (2001). Phosphorus and Agriculture VIII: The New Phosphorus Index for New York State. What’s Cropping Up? 11(4): 1-3.
  287. Czymmek, K.J., L.D. Geohring, and Q.M. Ketterings (2001). What’s the risk of phosphorus runoff from your fields? Northeast DairyBusiness 3(8): 26-28.
  288. Ketterings, Q.M., B.C. Bellows, K.J. Czymmek, and W.S. Reid (2001). Conversion Equations Part 2: Do Mehlich-III K, Ca, and Mg have Morgan equivalents? What’s Cropping Up? 11(4): 4-5.
  289. Cox, B., and Q.M. Ketterings (2001). Soybean fertilization. What’s Cropping Up? 11(3): 1.
  290. Ketterings, Q.M., B. Bellows, K.J. Czymmek, W.S. Reid, and R.F. Wildman (2001). Do modified Morgan and Mehlich-III P have a Morgan equivalent? What’s Cropping Up? 11(3): 2-3.
  291. Czymmek, K., J. Degni and Q.M. Ketterings (2001). Phosphorus starter demonstration project. Results of the 2000 Growing Season. What’s Cropping Up? 11(3): 4-6.
  292. Cox, B., Q.M. Ketterings, and H. van Es (2001). How much N fertilizer on corn following soybeans or wheat/clover? What’s Cropping Up? 11 (2): 6-7.