• Current graduate students (dates in parentheses represent start dates):
  
  • Anne Place (Winter 2008) - major advisor
    • M.Sc. Soil and Crop Sciences.
    • Nitrogen conservation from manure in reduced tillage systems (NY).
  • Ryan Higgs (Fall 2007) – minor advisor.
    • M.Sc. in Animal Science.
    • Herd nutrition nitrogen management.
  • Steve Kraszewski (Winter 2007) – minor advisor.
  • M.P.S. Biological and Environmental Engineering.
  • Mass nutrient balance for the Cayuga Lake Watershed (NY).
  • V. Ryan Haden (Fall 2006) – minor advisor.
    • Ph.D. Soil and Crop Sciences.
    • Nutrient dynamics and soil fertility in water efficient rice systems.
  • Lillian Magidow (Fall 2005) - minor advisor.
    • M.Sc. Soil and Crop Sciences.
    • Growth and demography of two swallow-wort invasive species in the Northeastern US (NY).
      

• Current undergraduate students:
  • Scott Grandt (Fall 2005, senior) - Presidential Scholar.
    • B.Sc. Crop and Soil Sciences and Applied Economics and Management (double major, '08), Cornell University.
    • Soil test P spatial and seasonal variability.
    • Recipient of a 2005 Morley Undergraduate Research Grant.
    • Recipient of a 2005 Cornell University Agricultural Experiment Station Hatch Supplement Grant for undergraduate independent research.
  • Sarah Moss (Fall 2006, sophomore).
  • B.Sc. Animal Science (’10), Cornell University.
  • Whole farm nutrient balances.
  • Sarah Place (Summer 2007, senior).
    • B.Sc. Animal Science (’8), Cornell University.
    • Nutrient management intern in Lewis County (summer '07).
    • Sulfur needs for alfalfa.
  • Chie Miyamoto (Winter 2008, Cobleskill Intern)
    • Bachelor of Technology, (’08), SUNY Cobleskill.
  
  
• Current Visiting Scholars:
  • Cansheng Yuan.
    • Senior agronomist at Nanjing Management Station of Soil and Fertilization, Nanjing Bureau of Agriculture and Forestry, China.
      
      
• Past (at Cornell):
  • Graduate students:
    • Joe Lawrence (Winter 2006) - major advisor
      • M.Sc. Soil and Crop Sciences.
      • Tools for nitrogen management for corn (NY).
    • David Parsons (Summer 2005) - minor advisor.
      • Ph.D. Soil and Crop Sciences.
      • Enhancing the sustainability of smallholder crop-livestock systems in the Yucatán Peninsula (Mexico).
      • ASA Mott Award 2006.
    • Elizabeth Brock - major advisor.
      • MSc. Soil and Crop Sciences ('06), Cornell University.
      • Evaluation of phosphorus accumulation and loss dynamics in manure amended soils (NY).
      • First Place, student presentations NEBASA/SSSA 2005.
      • 2005 Bradfield Award
      • Recipient of a 2004 Biogeochemistry and Biocomplexity Small Grant
      • Recipient of a 2004 Andrew W. Mellon Student Research Grant.
    • Florence Nherera - minor advisor.
      • PhD. Animal Science ('06), Cornell University.
      • Impact of dairy farming on resource allocation, technology use and farm productivity in market oriented smallholder farming systems of Kenya.
    • Micah Woods - minor advisor.
      • M.Sc./Ph.D. Horticulture ('06), Cornell University.
      • Evaluation of methods for nonacid cation extraction from calcareous and sand putting greens (NY).
      • First place in the graduate student presentation in C5 of the Crop Science Society of America annual meetings in 2004.
      • Industry Award in C5 of the Crop Science Society of America annual meetings in 2003.
      • PPI-J. Fielding Reed Graduate Fellowship (2004).
      • GCSAA/Toro Watson Fellowship (2002).
    • Beth Kirungu - major advisor
      • Ph.D. Crop and Soil Sciences ('06), Cornell University.
      • Potential interactions between the lablab green manure system and bean rot complex pathogens (Kenya).
      • Rockefeller Fellowship
  • Jonathan Klapwyk - major advisor
    • M.Sc. Crop and Soil Sciences, Cornell University.
    • Illinois soil N test for New York (NY).
    • 2004 Bradfield Award.
    • 2005 NE ASA/SSSA Outstanding Graduate Student Award.
    • Currently teaching at Kemptville College, Ontario, Canada.
      
  • Laura Acuna - minor advisor
    • Ph.D. Horticulture ('05), Cornell University
    • Carbon and nitrogen reserve status and partitioning affects growth and yield in the perennial strawberry (Fragaria x Ananassa Duch.) (NY).
  • Darrin Parminder - minor advisor
    • M.Sc. Horticulture ('03), Cornell University
    • Effect of time of planting, N rate, cover crops and variety on kidney bean yield (NY).
    
    
  • Undergraduates (independent study, summer jobs, research experience):
  • Miriam Goler (Winter 2007, senior).
    • B.Sc. Agricultural Sciences (’09), Cornell University.
  • Sod credits and the Illinois Soil N Test.
  • Co-author on publication (see journal publication list).
  • Wayne Berry (Summer and fall 2007, Cobleskill Intern)
    • Bachelor of Technology, (’07), SUNY Cobleskill.
    • Manure treatment effects on N and P dynamics.
  • Charles Hyland (Fall 2005, senior).
  • B.Sc. Crop and Soil Sciences ('06).
  • Phosphorus sorption capacity of Northern New York soils.
  • Recipient of a 2005 grant from the Dextra Undergraduate Research Endowment Fund.
  • Recipient of a 2005 Cornell University Agricultural Experiment Station Hatch Supplement Grant for undergraduate independent research.
  • Michelle (Dan) Wang (Fall 2004-Spring 2005).
    • B.Sc. Food Science ('06), Cornell University.
    • Amino sugar N test for New York (NY).
    • Recipient of a 2004 Morley Student Research Grant.
    • Co-author on publication (see journal publication list).
      
  • Rory Mauro (Summer 2004)- summer job.
    • B.Sc. Animal Science ('05), Cornell University.
    • Joined Columbia University for a graduate program in Environmental Health Sciences after graduation from Cornell University.
  • Andy Durow (Summer 2003)- summer job.
    • B.Sc. Animal Science ('05), Cornell University.
    • Went to Minnesota to operate a 500-cow dairy farm after graduation from the Dairy Fellows Program at Cornell University
  • Natalie Galens (undergraduate research project Spring 2002-2003).
    • B.Sc. Agronomy ('03), Cornell.
    • Amino sugar test as replacement for the PSNT in New York? (NY).
    • 2003 NE ASA Outstanding Senior Award.
    • Joined Rensselaer County Cornell Cooperative Extension after graduation from Cornell University.
  • Alex Wright (undergraduate research independent study in Fall 2002)
    • B.Sc. Agronomy ('03), Cornell University
    • Starter P use for corn (NY).
    • Joined Professional Agriculture Program at Iowa State University after graduation from Cornell University.
  • Joe Orloski (undergraduate research independent study Summer 2001-2002)
    • B.Sc. Biology ('03), Cornell University
    • Effect of N and K management on reed canary grass root development and C and N distribution over depth (NY).
    • Co-author on publication (see journal publication list).
    • Joined medical school in Pittsburg, PA, after graduation from Cornell University.
      
      
  • Visiting Scholars:
    • Dr. Metin Turan, Professor (3 month research project December 2005-February 2006).
      • Ataturk University, Turkey.
      • Phosphorus sorption capacity of calcareous soils.
    • Chunyu Song, Associate Research Fellow (6 month research project March-August 2005).
      • Hailun Agro-Ecological Experimental Station, Chinese Academy of Sciences, Harbin, P.R.China.
      • Effect of temperature and moisture content on soil test P.
    • Johan Mekken (6 month thesis research project March-August 2005).
      • B.Sc. Land and Water Management ('05), Larenstein International College, the Netherlands.
      • Evaluation of the NY phoshorus runoff index (NY).
    • Erwin Nijsingh (3 months undegraduate research project in Fall 2004).
      • B.Sc. Land and Water Management ('05), Larenstein International College, the Netherlands.
      • Effect of differential manure and compost management on soil physical properties (NY).
    • Sander van den Hoogen (6 months post graduate in Winter and Spring 2004).
      • B.Sc. Land and Water Management ('03), Larenstein International College, the Netherlands.
      • Aminosugar nitrogen soil test (NY).
    • Marike Noij (3 month undergraduate research project in Winter 2003).
      • B.Sc. Land and Water Management ('04), Larenstein International College, the Netherlands.
      • Aggregate distribution and stability - method development (NY).
    • Desiree Brandhorst (undergraduate research project in Winter 2003).
      • B.Sc. Land and Water Management ('04), Larenstein International College, the Netherlands.
      • Amino sugar test as replacement for the PSNT in New York? (NY).

• Past (prior to arrival at Cornell):
  
• Titus Tri Wibowo
  • M.Sc. Environmental Sciences, Bogor Agricultural University, Indonesia.
  • Farmers' perspectives on slash-and-burn as a land clearing method in Sumatra (Indonesia).
• Djunaidy
  • M.Sc. Environmental Sciences, Bogor Agricultural University, Indonesia.
  • Effects of fire intensity on soil microbial properties in Sumatra (Indonesia).
• Yakub Ambagau'
  • B.Sc. Forestry, Bogor Agricultural University, Indonesia.
  • Forest above ground biomass and composition as affected by fallow age in Sumatra (Indonesia).

Awards:

• 2007 Northeast Region Certified Crop Advisors (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 within CALS in 2004.
• Nominated for the "Team Award" (Nutrient Management Spear Program) of the Epsilon Sigma Phi National Honorary Extension Fraternity Lambda Chapter B of New York State (2004). Nominated by Madeline E. Pennington, Executive Director of St Lawrence County Cooperative Extension.
• 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.
  
• 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. Fall 1993.
  

Professional Membership:

• Soil and Water Conservation Society. Empire State Chapter. 2000-present.
  
• American Association for the Advancement of Science. 1999-present.
  
• Nominated to Phi Beta Delta, Honor Society for International Scholars. 1999-present.
  
• International Society of Soil Science. 1998-present.
  
• Sigma Xi, The Scientific Research Society. 1998-present.
  
• Soil Science Society of America, Agronomy Society of America. 1998-present.
  
• Honor Society of Phi Kappa Phi. 1995-present.
  

• Agriculture Ecosystems and Environment.
• Agroforesty Systems.
• Agronomy Journal.
• Ecosystems.
• Environmental Conservation.
• Journal of Environmental Quality.
• Journal of Soil and Water Conservation.
• Soil and Tillage Research.
• Soil Science.
• Soil Science Society of America Journal.
• New Zealand Journal of Agricultural Research
  

Editorial Board:

• Soil Science Society of America Journal (2007-present). Associate Editor. Division S8.
• Forage and Grazinglands (2007-present). Associate Editor.
• Journal of Food, Agriculture and Environment (2004-present).

Other Services:

Committees:

• National Agronomy Society of America and Soil Science Society of America ASA/SSSA.
  • S585 Emerging Issues in Soil Science Committee. SSSA. 2006-present.
  • Women in Agronomy, Crops, Soils and Environmental Sciences Committee. 2006-present.
• Northeast Region Certified Crop Advisor Board.
  • Vice-chair. 2005-present.
  • Chair of the NE CCE Exam Committee. 2003-present.
  • Chair of the NE CCA Annual Conference Organizing Committee. 2003-present.
  • Member. 2002-present.
• Northeastern Branch of ASA/SSSA/CSSA.
  • NEBASA Awards Committee. 2001-2005.
  • NEBASA At-Large Branch Director. 2004-2006.
• NY representative for NEC-67. 2001-present.
  
• NY representative for SERA-17. 2001-present.
  
• CALS Program Work Teams:
  • Co-chair of "CALS Integrated Nutrient Management PWT" (2001-present).
  • Member "Crop and Soil Management PWT" (2001-present).
    
• College of Agriculture and Life Science (CALS) Outreach Policy Program Committee.
  • Member. 2005-present.
• College of Agriculture and Life Science (CALS) Land Grant Mission Task Force.
  • Member. 2006-2007.
• Faculty Advisory Committee for the Cornell Nutrient Analyses Laboratory
  • Member. 2001-present.
  • Chair. 2004-present.
    
• CSS Farm Committee.
  • Member. 2000-2008.
• CSS Web Committee.
  • Member. 2006-2008.
• Environmental Sciences IT Committee.
  • Member. 2006-2008.

• Cornell Cropware. NRCS approved Crop and Manure Nutrient Management Software for New York.
• NY P Index Excel Spreadsheet. Excel spreadsheet and on-web tool.
• Soil Test Conversions for the Northeast. Excel spreadsheet and on-web tool.
• Nitrogen Guidelines (sod and manure credits). Excel spreadsheets.
• Whole Farm Mass Nutrient Balance. Excel spreadsheet.
  

Peer-Reviewed Publications (journal articles and thesis/dissertation):

1. 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. 
2. 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.
3. 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. 
4. 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. 
5. 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.
6. 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.
7. 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.
8. 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.
9. 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.
10. 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.
11. 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.
12. 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.
13. 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.
14. 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.
15. 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.
16. 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.
17. 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.
18. 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.
19. 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.
20. 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.
21. 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.
22. 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.
23. 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.
24. 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.
25. 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.
26. 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.
27. 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.
28. 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.
29. 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.
30. 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.
31. 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.
32. 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. Rao, R., C. Logue, Q.M. Ketterings, and H. Krol (2007). Schenectady County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-23. 32 pages.
33. Rao, R., B. Tillapaugh, Q.M. Ketterings, and H. Krol (2007). Wyoming County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-22. 34 pages
34. 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.
35. 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.
36. 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.
37. 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.
38. 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.
39. 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.
40. 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.
41. 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.
42. 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.
43. 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.
44. 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.
45. 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.
46. 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.
47. 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.
48. 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.
49. 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.
50. 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.
51. 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. 
52. 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.
53. 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.
54. 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.
55. 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.
56. 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.
57. Ketterings, Q.M., and K.J. Czymmek (2007). Are manure and established alfalfa a good mix? The Manager. Northeast DairyBusiness 9(2): 14-15.
58. Lawrence*, J., Q.M. Ketterings, K.J. Czymmek, and G. Godwin (2007). Save on nitrogen costs. The Manager. Northeast DairyBusiness 9(2): 16-17.
59. Lawrence*, J. Q.M. Ketterings, K.J. Czymmek (2007). What’s next for the Corn N Project? The Manager. Northeast DairyBusiness 9(2): 19.
60. 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.
61. Czymmek, K.J., and Q.M. Ketterings (2007). Attend to lime. The Manager. Northeast DairyBusiness 9(2): 26.
62. 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.
63. 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.
64. 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.
65. 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.
66. 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.
67. Ketterings, Q.M., J. Klapwyk*, and K.J. Czymmek (2006). Nitrogen management tools for corn. The Manager. Northeast Dairy Business 8(4): 34-35.
68. Ketterings, Q.M., and K.J. Czymmek (2006). Which fields need extra N? The Manager. Northeast Dairy Business 8(4): 24 and 33.
69. 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.
70. 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.
71. 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.
72. 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.
73. 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.
74. 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.
75. Brock*, E., Q.M. Ketterings, and M. McBride (2005). Copper and zinc accumulation in manured soils. What’s Cropping Up? 15(5): 5-7.
76. 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.
77. 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.
78. 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.
79. 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.
80. 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.
81. 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.
82. 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.
83. 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.
84. 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.
85. 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.
86. 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).
87. 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.
88. 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.
89. 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.
90. 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.
91. 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.
92. Ketterings, Q.M., H. Krol, and W.S. Reid (2004). Soil sample survey of Saratoga County. CSS Extension Bulletin E04-28. 38 pages.
93. 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.
94. 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.
95. 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.
96. 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.
97. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Greene Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-23. 36 pages.
98. 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.
99. 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.
100. 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.
101. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Nassau Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-20. 21 pages.
102. 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.
103. 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.
104. 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.
105. 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.
106. 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.
107. 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.
108. 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.
109. 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.
110. 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.
111. 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.
112. 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.
113. 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.
114. 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.
115. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Rockland Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-7. 21 pages.
116. 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.
117. 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.
118. 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.
119. Czymmek, K.J, and Q.M. Ketterings (2004). Seven tips to manage N for top-yielding corn. Northeast DairyBusiness 6:26-27.
120. 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.
121. 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.
122. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Broome Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-2. 37 pages.
123. 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.
124. 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.
125. 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.
126. 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.
127. 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.
128. Ketterings, Q.M., H. Krol*, and W.S. Reid (2003). Erie Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-28. 38 pages.
129. 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.
130. 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.
131. 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.
132. Czymmek, K.J., Q.M. Ketterings and H. van Es (2003). You can reduce the risks of leaching. Northeast DairyBusiness 5(10): 22-23.
133. 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.
134. 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.
135. 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.
136. 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.
137. 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.
138. 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.
139. 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.
140. 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.
141. 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.
142. 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.
143. 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.
144. 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.
145. 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.
146. 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.
147. 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.
148. 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.
149. 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.
150. 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.
151. Cox, B., and Q.M. Ketterings (2003). Soybeans: Add the inoculum but forget the starter N. What’s Cropping Up? 13(3): 5.
152. 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.
153. 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.
154. 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.
155. 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.
156. 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.
157. 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.
158. 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.
159. Cox, B., and Q.M. Ketterings (2003). N sidedress rates on corn following soybeans. What’s Cropping Up? 13(2): 8-9.
160. 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.
161. 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.
162. 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.
163. 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.
164. 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.
165. 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.
166. 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.
167. 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.
168. 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.
169. ASB consortium (2002). ASB Policybrief 04: Reducing smoke pollution from tropical fires. 4 pp. Article is downloadable from: http://www.asb.cgiar.org/PolicyBriefs.shtm.
170. 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.
171. 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.
172. 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.
173. Cox, B. and Q.M. Ketterings (2002). Do soybeans respond to starter fertilizer and seed inoculum? What’s Cropping Up? 12 (2): 1.
174. 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.
175. Van Noordwijk, M., and Q.M. Ketterings (2002). Tebas-bakar dan manfaat perbakerannya. Seri: Wanatani Karet 14.
176. 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.
177. Rasmussen*, C.N., G. Albrecht*, K.J. Czymmek, and Q.M. Ketterings (2001). Cornell Cropware. What’s Cropping Up? Volume 11(5): 7.
178. 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.
179. 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.
180. 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.
181. 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.
182. 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.
183. 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.
184. 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.
185. 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.
186. Cox, B., and Q.M. Ketterings (2001). Soybean fertilization. What’s Cropping Up? 11(3): 1.
187. 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.
188. 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.
189. 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.

Poster Presentations

1. Dietzel*, K., R. Rao, and Q.M. Ketterings (2007). A comparison of lime requirement tests for New York soils. Northeastern Branch ASA/SSSA/CSSA meeting, State College, Pennsylvania, June 24-26, 2007.
2. Swink*, S.N., W.J. Cox and Q.M Ketterings (2007). How much can N fertilizer be reduced for corn after soybean in the northeast? Are adjustments needed? Northeastern Branch ASA/SSSA/CSSA meeting, State College, Pennsylvania, June 24-26, 2007.
3. Ketterings, Q.M., J.H. Klapwyk*, J. Lawrence*, G. Godwin* and K.J. Czymmek (2006). Illinois Soil N Test for corn in New York. 2006 ASA/SSSA/CSSA meeting, Indianapolis, Indiana, November 12-16, 2006.
4. Rasmussen*, C.N, S.N. Swink*, J.C. Mekken*, K.J. Czymmek and Q.M. Ketterings (2006). Statewide, county-based and whole farm phosphorus balances. SERA17 Annual Meeting, Ithaca, August 2-4, 2006.
5. Ketterings, Q.M. J.H. Klapwyk, J.R. Lawrence, G. Godwin and K.J. Czymmek (2006). Illinois Soil N Test for corn in New York. 2006 ASA/SSSA/CSSA meeting, Indianapolis, Indiana, November 12-16, 2006.
6. Haden, V.R., Q.M. Ketterings, and J.E. Kahabka (2006). Factors affecting the change in soil test P levels of noncalcareous New York soils following manure and fertilizer application. Northeastern Branch ASA/SSSA/CSSA meeting, Philadephia, Pennsylvania, July 11, 2006.
7. Lawrence, J.R., Q.M. Ketterings, G. Godwin, and K.J. Czymmek (2006). Effect of nitrogen application on yield and quality of first year corn. Northeastern Branch ASA/SSSA/CSSA meeting, Philadelphia, Pennsylvania, July 11, 2006.
8. Ketterings, Q.M., C. Rasmussen, J.C. Mekken, and K.J. Czymmek (2006). Statewide, county-based and whole farm phosphorus balances. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006. Abstract # 14959.
9. Czymmek, K.J., and Q.M. Ketterings (2006). The New York CAFO Program; successfully connecting science, policy, regulation, and implementation. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006.
10. Hyland, C., S. Sato, Z. Lan, Q.M. Ketterings, and J. Lehmann (2006). Properties of phosphorus forms in leachate from soils with long-term manure additions. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006. Ketterings, Q.M. (2006). Whole farm nutrient balances: working with producers to identify opportunities for improement of nutrient management on dairy farms. American Farm Bureau Federation Convention. Nashville, Tennessee, January 8-9, 2006.
11. Klapwyk, J.H., Q.M. Ketterings, and G. Godwin (2005). Evaluation of the Illinois soil N test for NY corn production. 2005 ASA/SSSA/CSSA meeting, Salt Lake City, Utah, November 6-10, 2005. Abstract #7607.
    
12. Mekken, J.C., Q.M. Ketterings, G.L. Albrecht, and K.J. Czymmek (2005). Phosphorus balance in New York State. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9192.
    
13. Albrecht, G., Q.M. Ketterings, and K.J. Czymmek (2005). Engaging students and extension audiences in nutrient management through web-based learning modules. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9188.
    
14. Brock, E.H., Q.M. Ketterings, and M. McBride (2005). Copper and zinc accumulation in poultry and dairy manure amended soils. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #5913.
15. Ketterings, Q.M. and M. Flock (2004). Comparison of Bray-1 and Mehlich-3 tests in high phosphorus soils. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 - November 4, 2004.
16. Woods, M.S., Q.M. Ketterings and F.S. Rossi (2004). Potassium supply rates in a calcareous sand rootzone. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 - November 4, 2004.
17. Sato, S., C. Hyland, D.M. Solomon, Q.M. Ketterings and C.J. Lehmann (2004). Phosphorus speciation in poultry manure and manure-applied soils using XANES spectroscopy. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 - November 4, 2004.
18. Ketterings, Q.M., S. Swink, G. Godwin, K.J. Czymmek and G.L. Albrecht (2004). New York State starter phosphorus project. Results of 3 years of on-farm research. Northeast SARE 2004 Conference: Setting the Table: tools and techniques for a sustainable food system. Invited presentation. October 19-21, 2004.
19. Ketterings, Q.M. (2004). Nutrient Management Spear Program. CHE, CALS and Vet College DEL's and Executive Directors Conference. Ithaca, New York, September 8, 2004.
20. Klapwyk, J.H., Q.M. Ketterings, and G.S. Godwin (2004). Nitrate and aminosugar N levels of three years of dairy manure and compost application. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
21. Kahabka, J.E., Q.M. Ketterings and S.W. Reid (2004). Trends in New York State soil phosphorus fertility. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
22. Ketterings, Q.M., S. Swink, G. Godwin, K.J. Czymmek, and G.L. Albrecht (2004). The New York Starter Phosphorus Project - Results of three years of on-farm research. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
23. Ketterings, Q.M, and K.J. Czymmek (2003). Soil test conversions for New York. Poster presented at the 2003 ASA/SSSA/CSSA meetings, Denver, Colorado, November 2-6, 2003.
    
24. Albrecht, G.L., C.N. Rasmussen, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware: a tool for nutrient management planning in New York State. Poster presented at the 2003 ASA/SSSA/CSSA meetings, Denver, Colorado, November 2-6, 2003.
    
25. Ketterings, Q.M., T.F. Kilcer, and J.H. Cherney (2003). Nitrogen and potassium management for brown mid rib sorghum sudangrass - an environmentally sound alternative to corn silage? Poster presented at the 2003 ASA/SSSA/CSSA meetings, Denver, Colorado, November 2-6, 2003.
26. Hyland, C., Z. Lan, J. Lehmann, and Q.M. Ketterings (2003). Phosphorus leaching and organic phosphorus forms in soil after long-term manure applications. Poster presented at the 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
27. Albrecht, G.L., C. Rasmussen, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware: A Software Tool of the Cornell University Nutrient Management Planning System. Poster presented at the 2003 NE ASA/SSSA meetings, Burlington, Vermont, June 29-July 2, 2003.
28. Albrecht, G.L., C. Rasmussen, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware. Poster presented at the annual SERA-17 meeting, Twin Falls, Idaho, June 25-27, 2003.
29. Klapwijk, J.H., Galens, N. and Q.M. Ketterings (2003). The Amino Sugar Nitrogen Test Project: Developing an Environmental and Economical Tool for NY Corn Production. Poster presented at the NYS Soil and Water Conservation Committee June Meeting. Ithaca, NY, June 17, 2003.
30. Albrecht, G.L., C. Rasmussen, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware: A Software Tool of the Cornell University Nutrient Management Planning System. Poster presented at the NYS Soil and Water Conservation Committee June Meeting. Ithaca, NY, June 17, 2003.
31. Ketterings, Q.M., K.J. Czymmek, and G.L. Albrecht (2003). Nutrient Management Spear Program. Poster presented at the NYS Soil and Water Conservation Committee June Meeting. Ithaca, NY, June 17, 2003.
32. Ketterings, Q.M., K.J. Czymmek, S. Swink, and G. Godwin (2003). New York Starter P Project. Poster presented at the NYS Soil and Water Conservation Committee June Meeting. Ithaca, NY, June 17, 2003.
    
33. Ketterings, Q.M., T. Byron, K.J. Czymmek and S. Bossard (2002). Phosphorus dynamics in manure and compost based corn systems in New York State. Poster presented at the 17th World Congress of Soil Science in Bangkok, Thailand, August 14-21, 2002.
    
34. Kilcer, T., Q.M. Ketterings, P. Cerosaletti, T. Katsvairo, P. Barney, M. Dennis, T. Byron and J. Cherney (2002). Brown mid rib sorghum sudangrass in NY. Poster presented at the Annual NE ASA/SSSA Meetings in Morgantown, WV, July 14-17, 2002.
    
35. Ketterings, Q.M (2002). Phosphorus storage capacity of Honeoye soils. Poster presented at the Annual PCCW meeting on April 12th in Ithaca, NY.
    
36. Ketterings, Q.M., Czymmek, K.J., and Byron, T.M. (2002). New York State P starter project 2000/2001. Poster presented by Lisa Field at the CCE Schoharie's Dairy Day 2002 on January 10th at SUNY Cobleskill.
    
37. Czymmek, K.J., L.D. Geohring, D.R. Dewing, R.B. Bryant, K. Carpenter, T.S. Steenhuis, Q.M. Ketterings, and H. van Es (2001). Nutrient management program in New York. ASA/SSSA/CSSA Annual Meetings in Charlotte, NC, October 21-25, 2001.
    
38. Van Es, H. K.J. Czymmek, and Q.M. Ketterings (2001). Nitrogren leaching index for New York. ASA/SSSA/CSSA Annual Meetings in Charlotte, NC, October 21-25, 2001.
    
39. New York P Index Working Group (2001). The New York phosphorus runoff index. Poster presented at the 2001 Soil and Water Conservation Society Annual Meeting, August 4-8, Myrtle Beach, South Carolina. Poster made by Q.M. Ketterings and K.J. Czymmek and presented by K.J. Czymmek.
    
40. Van Es, H. K.J. Czymmek, and Q.M. Ketterings (2001). Nitrogen leaching index for New York. Poster presented at the 2001 Soil and Water Conservation Society Annual Meeting, August 4-8, Myrtle Beach, South Carolina. Poster made and presented by H. van Es.
    
41. New York P Index Working Group (2001). The New York phosphorus runoff index. Poster presented at the 2001 SERA-17 meeting, July 19 - 21, State College, Pennsylvania, USA. Poster made by Q.M. Ketterings and K.J. Czymmek.
    
42. Ketterings, Q.M., B. Bellows, K.J. Czymmek, W.S. Reid, and R.F. Wildman (2001). Do Modified Morgan and Mehlich-III soil test results have Morgan Equivalents? Poster presented at the 2001 Northeast Branch ASA/SSSA Annual meeting, June 24 - 27, Kingston, Rhode Island,USA.
    
43. Ketterings, Q.M., M. van Noordwijk, and J. M. Bigham (2000). The benefits of a reduction in fallow period. An example from Indonesia. Poster presented as part of the special symposium on Fallow Management at the 2000 ASA, CSSA, SSSA Annual meetings, November 5 - 9, Minneapolis, Minnesota, USA.
    
44. Ketterings, Q.M., M. van Noordwijk, and J.M. Bigham (1999). Impacts of slash and burn fire intensity on P availability. Poster (on invitation) presented at the 1999 ASA, CSSA, SSSA Annual meetings, October 31 - November 4, Salt Lake City, Utah, USA.
    
45. Ketterings, Q.M., M. van Noordwijk, and J.M. Bigham (1999). Spatial variability of selected soil properties in broadcast and secondary pile and burn practices in Sumatra, Indonesia. Poster presented at the 1999 ASA, CSSA, SSSA Annual meetings, October 31 - November 4, Salt Lake City, Utah, USA.
    
46. Van Noordwijk, M., B. Lusiana, and Q.M. Ketterings (1999). WaNuLCAS: a model of Water, Nutrient and Light Capture in Agroforestry Systems to evaluate alternatives to slash and burn. Poster presented at the 1999 ASA, CSSA, SSSA Annual meetings, October 31 - November 4, Salt Lake City, Utah, USA.
    
47. Ketterings, Q.M., J.M. Bigham, and V. Laperche (1998). Effects of forest burning on soil mineralogy: results from field experiments in Indonesia. Poster presented at the 1998 ASA, CSSA, SSSA Annual meetings, October 18-22, Baltimore, Maryland, USA.
    
48. Ketterings, Q.M., T.T. Wibowo, M. van Noordwijk, and E. Penot (1998) Farmers' perspectives on slash-and-burn as a land clearing method for small-scale rubber producers in Sepunggur, Jambi Province, Sumatra, Indonesia. Poster presented at the Annual OARDC Conference, April 16, 1998.
    
49. Ketterings, Q.M., Y. Ambagau, Djunaedy, M. van Noordwijk, and I. Anas (1997). Is the increased soil fertility after slash and burn due to the slash or the burn? Poster presented at the International Workshop on Biological Management of Soil Fertility on Acid Upland Soils in the Humid Tropics, July 28-31, Malang, Indonesia.
    
50. Bohlen, P. J., R.W. Parmelee, M.F. Allen, and Q.M. Ketterings (1995). Uptake and redistribution of 15N by the earthworm, Lumbricus terrestris, in soil cores amended with various 15N-labeled substrates. Ecological Society of America Meeting, Fort Collins, CO, August 1995. Abstract, Bulletin of the Ecological Society of America.
    
51. Ketterings, Q.M., J.M. Blair and J.C.Y. Marinissen (1993). Effects of earthworms on soil aggregates and carbon and nitrogen storage in agro-ecosystems based on legume/rye winter cover crop nitrogen. Ecological Society of America Meeting, Madison, WI, August 1993. Abstract, Bulletin of the Ecological Society of America 74:306.

Published Abstracts

1. Magidow*, L., A. DiTommaso, Q.M. Ketterings, and L.R. Milbrath (2008). Emergence and performance of pale and black swallow-wort on two New York soils at three pH levels. Weed Science Society of America, 4-6 February, 2008, Chicago, IL.
2. Parsons*, D., J.H. Cherney, Q.M. Ketterings, L. Ramirez-Aviles, R.W. Blake, and C.F. Nicholson. 2007. Reversing maize yield decline in shifting cultivation of the Yucatán Peninsula, through weed control and manure management. p. 130. In: (W. Alison, ed.) Proceedings of the 2007 Conf. of the American Forage & Grassland Council and Northeast Branch of the Crop, Soil and Agronomy Society of America, 24-26 June, 2007, State College, PA. AFGC, Elmhurst, IL.
3. Dietzel*, K., R. Rao, and Q.M. Ketterings (2007). A comparison of lime requirement tests for New York soils. Northeastern Branch ASA/SSSA/CSSA meeting, State College, Pennsylvania, June 24-26, 2007.
4. Swink*, S.N., W.J. Cox and Q.M Ketterings (2007). How much can N fertilizer be reduced for corn after soybean in the northeast? Are adjustments needed? Northeastern Branch ASA/SSSA/CSSA meeting, State College, Pennsylvania, June 24-26, 2007.
5. Lawrence*, J.R., S. Bossard, Q.M. Ketterings, G. Godwin* (2007). Tillage tools for manure incorporation and N conservation. Northeastern Branch ASA/SSSA/CSSA meeting, State College, Pennsylvania, June 24-26, 2007.
6. Ketterings, Q.M. J.H. Klapwyk*, J. Lawrence*, G. Godwin* and K.J. Czymmek (2006). Illinois Soil N Test for corn in New York. 2006 ASA/SSSA/CSSA meeting, Indianapolis, Indiana, November 12-16, 2006.
7. Haden*, V.R., Q.M. Ketterings, and J.E. Kahabka* (2006). Factors affecting the change in soil test P levels of noncalcareous New York soils following manure and fertilizer application. Northeastern Branch ASA/SSSA/CSSA meeting, Philadelphia, Pennsylvania, July 11, 2006.
8. Lawrence*, J.R., Q.M. Ketterings, G. Godwin*, and K.J. Czymmek (2006). Effect of nitrogen application on yield and quality of first year corn. Northeastern Branch ASA/SSSA/CSSA meeting, Philadelphia, Pennsylvania, July 11, 2006.
9. Ketterings, Q.M., C. Rasmussen*, J.C. Mekken*, and K.J. Czymmek (2006). Statewide, county-based and whole farm phosphorus balances. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006. Abstract # 14959.
10. Czymmek, K.J., and Q.M. Ketterings (2006). The New York CAFO Program; successfully connecting science, policy, regulation, and implementation. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006.
11. Hyland, C., S. Sato, Z. Lan, Q.M. Ketterings, and J. Lehmann (2006). Properties of phosphorus forms in leachate from soils with long-term manure additions. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006.
12. Albrecht*, G., Q.M. Ketterings, K.J. Czymmek, S. Swink*, G. Godwin* (2005). It's all about networking: a collaborative approach to applied research and extension. 2005 ASA/SSSA/CSSA meeting, Salt Lake City, Utah, November 6-10, 2005. Abstract # 136-4.
13. Woods*, M.S., F.S. Rossi and Q.M. Ketterings (2005). Potassium content of turfgrass leaves expressed on a tissue water basis. 2005 ASA/SSSA/CSSA meeting, Salt Lake City, Utah, November 6-10, 2005. Abstract #4086.0.0
14. Klapwyk*, J.H., Q.M. Ketterings, and G. Godwin* (2005). Evaluation of the Illinois soil N test for NY corn production. 2005 ASA/SSSA/CSSA meeting, Salt Lake City, Utah, November 6-10, 2005. Abstract #7607.
15. Brock*, E.H., Q.M. Ketterings and P. Kleinman (2005). Phosphorus leaching and runoff from soils as influenced by type and years of manure application. 2005 ASA/SSSA/CSSA meeting, Salt Lake City, Utah, November 6-10, 2005. Abstract #7593.
16. Mekken*, J.C., Q.M. Ketterings, G.L. Albrecht*, and K.J. Czymmek (2005). Phosphorus balance in New York State. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9192.
17. Albrecht*, G., Q.M. Ketterings, and K.J. Czymmek (2005). Engaging students and extension audiences in nutrient management through web-based learning modules. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9188.
18. Brock*, E.H., and Q.M. Ketterings (2005). Changes in phosphorus sorption capacity of manure amended soils. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9185.
19. Ketterings, Q.M., K.J. Czymmek, D.B. Beegle, and L.E. Chase (2005). Systematic nutrient (im)balances in dairy farm systems of the Northeast and Mid-Atlantic Regions of the United States. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9136.
20. Brock*, E.H., Q.M. Ketterings, and M. McBride (2005). Copper and zinc accumulation in poultry and dairy manure amended soils. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #5913.
21. Ketterings, Q.M. and M. Flock (2004). Comparison of Bray-1 and Mehlich-3 tests in high phosphorus soils. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
22. Woods*, M.S., Q.M. Ketterings and F.S. Rossi (2004). Estimation of cation exchange capacity in sand rootzones. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
23. Woods*, M.S., Q.M. Ketterings and F.S. Rossi (2004). Potassium supply rates in a calcareous sand rootzone. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
24. Klapwyk*, J.H., and Q.M. Ketterings (2004). Assessing the Illinois N soil test for New York corn production. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
25. Sato, S., C. Hyland*, D.M. Solomon, Q.M. Ketterings and C.J. Lehmann (2004). Phosphorus speciation in poultry manure and manure-applied soils using XANES spectroscopy. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
26. Hyland*, C., C.J. Lehmann, Q.M. Ketterings, Z. Lan, and S. Sato (2004). Forms and distribution of phosphorus leached from manure amended soils. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
27. Brock*, E., and Q.M. Ketterings (2004). Phosphorus buildup in manured soils over time. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
28. Klapwyk*, J.H., and Q.M. Ketterings (2004). Laboratory variability of the Illinois N soil test. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
29. Klapwyk*, J.H., Q.M. Ketterings, and G.S. Godwin* (2004). Nitrate and aminosugar N levels of three years of dairy manure and compost application. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
30. Kahabka*, J.E., Q.M. Ketterings and S.W. Reid (2004). Trends in New York State soil phosphorus fertility. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
31. Albrecht*, G.L., Q.M. Ketterings, M. E. Van Amburgh, and K.J. Czymmek (2004). It’s more than manure! A Whole Farm Nutrient Management Course at Cornell. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
32. Ketterings, Q.M., S. Swink*, G. Godwin*, K.J. Czymmek, and G.L. Albrecht* (2004). The New York Starter Phosphorus Project – Results of three years of on-farm research. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
33. Cherney, J.H., Q.M. Ketterings, and J.L. Orloski* (2003). Reed Canarygrass elemental status above and below ground as influenced by N and K fertilization. 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
34. Woods*, M.S., F.S. Rossi, and Q.M. Ketterings (2003). Potassium application effects on extractable nonacid cations in a calcareous sand putting green. 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
35. Hyland, C., Z. Lan, J. Lehmann, and Q.M. Ketterings (2003). Phosphorus leaching and organic phosphorus forms in soil after long-term manure applications. 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
36. Albrecht*, G.L., C.N. Rasmussen*, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware: a tool for nutrient management planning in New York State. 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
37. Ketterings, Q.M., T.F. Kilcer, and J.H. Cherney (2003). Nitrogen and potassium management for brown mid rib sorghum sudangrass – an environmentally sound alternative to corn silage? 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
38. Ketterings, Q.M. and K.J. Czymmek (2003). Phosphorus test conversions for high phosphorus soils. ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
39. Albrecht*, G.L., C.N. Rasmussen*, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware: a software tool of the Cornell University Nutrient Management Planning System. 2003 NE ASA/SSSA meetings, Burlington, Vermont, June 29-July 2, 2003.
40. Klapwyk*, J.H., W. Deen and Q.M. Ketterings (2003). Temperature fluctuations impacts on the Illinois N soil test. 2003 NE ASA/SSSA meetings, Burlington, Vermont, June 29-July 2, 2003.
41. Galens*, N. and Q.M. Ketterings (2003). Laboratory calibration of the amino sugar-N soil test for New York. 2003 NE ASA/SSSA meetings, Burlington, Vermont, June 29-July 2, 2003.
42. Kilcer, T.F., P. Cerosalletti, P. Barney, A. Pell, D. Molina, Q.M. Ketterings and J.H. Cherney (2003). Harvest height management of BMR sorghum-sudangrass in the Northeast. 2003 NE ASA/SSSA meetings, Burlington, Vermont, June 29-July 2, 2003.
43. Ketterings, Q.M. (2002). Seasonal variability in soil test results using Morgan and Mehlich-III soil tests in New York. ASA/SSSA/CSSA Annual Meetings in Indianapolis, IN, November 10-14, 2002.
44. Ketterings, Q.M., T. Byron*, K.J. Czymmek, and S. Bossard (2002). Phosphorus dynamics in manure and compost based corn systems in New York State. Paper 1594 of Symposium 57: Soil properties as influence by the addition of organic fertilizers and amendments. 17th World Congress of Soil Science in Bangkok, Thailand, August 14-21, 2002. Volume 5 page 1717.
45. Kilcer, T.F., Q.M. Ketterings, and P. Cerosaletti (2002). Brown mid rib sorghum sudangrass in NY. NE ASA/SSSA Meetings in Morgantown, WV, July 14-17, 2002.
46. Geohring, L.D., T.S. Steenhuis, M.T. Walter, M.F. Walter, Q.M. Ketterings and K.J. Czymmek (2002). Phosphorus risk assessment tool for New York State. In: Phosphorus loss assessment tools. Session 64. 2002 ASAE Annual International Meeting / CIGR XVth World Congress. Chicago, Illinois, July 28-July 31, 2002. pp 3-17.
47. Ketterings, Q.M., B. Bellows, K.J. Czymmek, W.S. Reid, and R.F. Wildman (2001). Is there a Morgan equivalent for Mehlich-III soil tests for New York? ASA/SSSA/CSSA Annual Meetings in Charlotte, NC, October 21-25, 2001.
48. Ketterings, Q.M., B. Bellows, K.J. Czymmek, W.S. Reid, and R.F. Wildman (2001). Do Modified Morgan and Mehlich-III soil test results have Morgan Equivalents? Abstract 2001 Northeast Branch ASA/SSSA Annual meeting, June 24 – 27, Kingston, Rhode Island, USA.
49. Ketterings, Q.M., M. Van Noordwijk, and J.M. Bigham (2000). The benefits of a reduction in fallow period. An example from Indonesia. Abstract 2000 ASA, SSSA, ASA Annual meetings, November 5 – 9, Minneapolis, Minnesota, USA.
50. Ketterings, Q.M., M. Van Noordwijk, and J.M. Bigham (1999). Impacts of slash and burn fire intensity on P availability. Abstract 1999 ASA, CSSA, SSSA Annual meetings, October 31 – November 4, Salt Lake City, Utah, USA.
51. Ketterings, Q.M., M. Van Noordwijk, and J.M. Bigham (1999). Spatial variability of selected soil properties in broadcast and secondary pile and burn practices in Sumatra, Indonesia. Abstract 1999 ASA, CSSA, SSSA Annual meetings, October 31 – November 4, Salt Lake City, Utah, USA.
52. Van Noordwijk, M., B. Lusiana, and Q.M. Ketterings (1999). WaNuLCAS: a model of Water, Nutrient and Light Capture in Agroforestry Systems to evaluate alternatives to slash and burn. Abstract 1999 ASA, CSSA, SSSA Annual meetings, October 31 – November 4, Salt Lake City, Utah, USA.
53. Ketterings, Q.M., J.M. Bigham, and V. Laperche (1998). Effects of forest burning on soil mineralogy: results from field experiments in Indonesia. Abstract 1998 ASA, CSSA, SSSA Annual meetings, October 18-22, Baltimore, Maryland, USA.
54. Bohlen, P. J., R.W. Parmelee, M.F. Allen, and Q.M. Ketterings (1995). Uptake and redistribution of 15N by the earthworm, Lumbricus terrestris, in soil cores amended with various 15N-labeled substrates. Ecological Society of America Meeting, Fort Collins, CO, August 1995. Abstract, Bulletin of the Ecological Society of America.
55. Ketterings, Q.M., J.M. Blair and J.C.Y. Marinissen (1993). Effects of earthworms on soil aggregates and carbon and nitrogen storage in agro-ecosystems based on legume/rye winter cover crop nitrogen. Ecological Society of America Meeting, Madison, WI, August 1993. Abstract, Bulletin of the Ecological Society of America 74:306.
    

Oral Presentations (not CU course related)

1. Late season stalk nitrate test: tool for N management for corn. 2007 Field Crop Dealer Meetings. October 23 (Clifton Park, NY), October 24 (New Hartford, NY), October 25 (Batavia) and October 26 (Auburn, NY). 237 people.
2. Soybean N credits. 2007 Field Crop Dealer Meetings. October 23 (Clifton Park, NY), October 24 (New Hartford, NY), October 25 (Batavia) and October 26 (Auburn, NY). 237 people.
3. Mass nutrient balances; tools for environmental management of dairy farms. Delaware County precision feed management program. Sponsors Conference and Tour. October 4-5, Delhi, NY. Co-presenters: Caroline Rasmussen and Patty Ristow. ~30 people.
4. Northern New York nutrient management research and extension projects (2007). First Annual Field Crops Tour. Integrated Field Crops Program Work Team and New York State Corn Growers Association. Sackets Harbor, NY, August 20, 2007. ~70 people.
5. Manure incorporation/ammonium conservation project. Musgrave Research Farm Field Day. July 26, 2007. ~80 people. Co-presenter: Joe Lawrence.
6. Tools for nitrogen management for corn. Musgrave Research Farm Field Day. July 26, 2007. ~80 people. Co-presenter: Joe Lawrence.
7. Whole-farm mass nutrient balances; tool for environmental management (2007). Workshop “Nutrient Accounting for Australian dairy farms”, Melbourne, Australia. May 1-2, 2007. ~40 people. Invited speaker.
8. Nutrient management in a regulatory environment. Experiences in research, extension and teaching (2007). Department of Primary Industries. Seminar. Ellenbank, Australia. May 3, 2007. ~40 people. Invited speaker.
9. Dairy farm nutrient management challenges and opportunities in New York (2007). Lincoln University, Christchurch, New Zealand. Seminar. May 9, 2007. ~20 people.
10. Nutrient management in a regulatory environment (2007). Invermay AgResearch workgroup. 6 people. Denudin, New Zealand. May 15, 2007.
11. Nitrogen needs for corn; tools for N management (2007). Northern New York Crop Congress. March 14, Canton, NY ~80 people. March 15, Carthage, NY, ~80 people.
12. Tools for N management for corn. How much do we need and how do we know? (2007). Miner Institute 37th Annual Corn Congress. February 28, 2007. ~80 people. Co-author: Joe Lawrence. Invited (keynote) speaker.
13. Applying manure to alfalfa. Do's and don'ts. Miner Institute 37th Annual Corn Congress. February 28, 2007. ~80 people. Co-authors: Erica Frenay, Jerry Cherney, Karl Czymmek, Stu Klausner, Larry Chase, and Ynte Schukken. Invited (keynote) speaker.
14. How much nitrogen do we really need for first year corn? (2007). Western New Year Corn Congress. Batavia, NY, January 17, 2007. ~280 people. Waterloo, NY, January 18, 2007. ~200 people. Co-author: Joe Lawrence. Invited speaker.
15. Nitrogen guidelines/tools for management (2006). Northeast Certified Crop Advisor Conference. December 5-7, 2006. Waterloo, NY. ~40 people. Co-author: Joe Lawrence.
16. Soil testing and plant analyses (2006). Basic Training. Northeast Certified Crop Advisor Conference. December 5-7, 2006. Waterloo, NY. 14 people.
17. Farm nutrient management in a regulatory environment. Experiences in research and extension in New York (2006). December 1, 2006. Alfred University, Alfred NY. ~ 30 people. Invited speaker.
18. Whole farm nutrient balances: tools for long-term (2006). Mid-Atlantic Region Crop Management School. November 28-30, Ocean City, MD. ~ 100 people. Invited speaker.
19. Considerations for manure use on established alfalfa. 2006 Field Crop Dealer Meetings. October 24 (Clifton Park, NY), October 25 (New Hartford, NY), October 26 (Batavia) and October 27 (Auburn, NY). 216 people.
20. Nitrogen needs for first year corn. 2006 Field Crop Dealer Meetings. October 24 (Clifton Park, NY), October 25 (New Hartford, NY), October 26 (Batavia) and October 27 (Auburn, NY). 216 people.
21. Integrated Nutrient Management. Crossing discipline boundaries for improved farm sustainability. Tribute to Danny Fox. Cornell Nutrition Conference. October 24, 2006. ~75 people. Invited speaker.
22. CAFO planning, science and the Land Grant University (2006). CAFO Litigation Panel. Albany Law School. Albany NY, September 15, 2006. ~50 people. Invited speaker.
23. Manure management and nitrogen retention (2006). Stutzman’s Research Farm Field Day. Arkport NY, August 31. Co-presenter: S. Bossard. ~50 people.
24. Agronomic soil testing for P index assessment. Why? (2006) SERA17 Annual Meeting, Ithaca NY, August 2-4, 2006. ~ 90 people.
25. Tools for nitrogen management (2006). Aurora Research Farm Field Day. Aurora, July 20, 2006. Co-presenters: S. Bossard and J. Lawrence. ~ 90 people.
26. Phosphorus management on New York farms (2006). 2006 NRCS/DAM Water Quality Symposium. Auburn, NY, March 8, 2006. Co-presenter: K.J. Czymmek. 31 people.
27. Nitrogen management on New York farms (2006). 2006 NRCS/DAM Water Quality Symposium. Auburn, NY, March 8, 2006. Co-presenter: K.J. Czymmek. 31 people.
28. Cornell Cropware; the basics (2006). 2006 NRCS/DAM Water Quality Symposium. Auburn, NY, March 8, 2006. 24 people.
29. Nitrogen recommendations for corn; tools for management (2006). 2006 TCT Dairy and Field Crops Winter Crop Meeting. Ithaca, NY, January 26, 2006. 86 people.
30. Illinois Soil N test (ISNT) for determining if corn needs additional N. Update on 3 years of New York research. Western New Year Corn Congress. Batavia, NY, January 18, 2006. ~280 people. Waterloo, NY, January 19, 2006. ~180 people. Invited speaker.
31. Statewide county-based and whole farm nutrient balances. Tools to help with long-term nutrient planning. Farmer extension meeting. Lowville, NY, January 11, 2006. Co-presented by Caroline Rasmussen and Karl Czymmek. 14 people.
32. Alfalfa fertility management: part 1: pH and lime. Eastern New York Alfalfa Expo. Saratoga Springs, NY, December 8, 2005. ~55 people.
33. Alfalfa fertility management: part 1: Boron, potassium and manure. Eastern New York Alfalfa Expo. Saratoga Springs, NY, December 8, 2005. ~55 people.
34. Nitrogen recommendations - tools for management. Northeast Certified Crop Advisor Conference. November 19-December 1, 2005. Waterloo, NY. 46 people.
35. Soil testing and plant analyses. Basic Training. Northeast Certified Crop Advisor Conference. November 19-December 1, 2005. Waterloo, NY. 23 people.
36. Illinois Soil N Test (Aminosugar N Test) for determining if corn needs additional N - Update on 3 years of NY research. 2005 Field Crop Dealer Meetings. October 25 (Clifton Park, NY), October 26 (New Hartford, NY), October 27 (Batavia) and October 28 (Auburn, NY). Co-authors: Jon Klapwyk, Natalie Galens, Michele Wang and Greg Godwin. 249 people.
37. Statewide, County-Based and Whole Farm Nutrient Balances - Tools to Help with Long-Term Nutrient Planning. 2005 Field Crop Dealer Meetings. October 25 (Clifton Park, NY), October 26 (New Hartford, NY), October 27 (Batavia) and October 28 (Auburn, NY). Co-authors: Caroline Rasmussen, Johan Mekken, and Karl Czymmek. 249 people.
38. Basic soil science: soil fertility and manure application. Technical Fundamentals of CAFOs for permit writers and inspectors. EPA Regions 1&2. Albany, NY. October 24, 2005. Delivered by Quirine Ketterings. Co-author: Karl Czymmek. ~ 30 people.
39. Manure management and nitrogen availability. Stutzman’s Field Day 2005. Arkport, NY. September 1, 2005. Co-presenter: S. Bossard. ~ 50 people.
40. NESARE L02-173: Starter Phosphorus Project. 2005 Annual Meeting and Professional Improvement Conference of the National Association of County Agricultural Agents. Buffalo, New York. July 17-21, 2005. ~ 25 people.
41. Systematic nutrient (im)balances in dairy farm systems of the Northeast and Mid-Atlantic Regions of the United States. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9136.Co-authors: K.J. Czymmek, D.B. Beegle, and L.E. Chase. ~ 25 people.
42. Nutrient (phosphorus) management issues on New York dairy farms: research and extension in a regulatory environment (2005). Biogeochemistry and Environmental Biocomplexity Spring 2005 Seminar Series. Cornell University, Ithaca NY. April 8, 2005. ~ 30 people.
43. Research Update: Nutrient Management Spear program work in Northern New York (2005). Western Northern New York Agriculture Development Program committee meeting. Watertown, NY. March 18, 2005. Co-author and co-presenter: J. Kahabka.
44. Managing phosphorus for profit and the environment (2005). 2005 Madison County Crop Congress. Cazenovia, NY. March 16, 2005. ~ 15 people.
45. Research Update: Nutrient Management Spear program work in Northern New York (2005). Eastern Northern New York Agriculture Development Program committee meeting. Chazy, NY. March 11, 2005. Co-author and co-presenter: J. Kahabka.
46. Integrated Nutrient Management Program Work Team and Nutrient Management Spear Program (2005). NY Nonpoint Source Coordinating Committee Meeting. Ithaca, Syracuse, Valhalla and Voorheesville, NY (video links). March 3, 2005.
47. Stretching your fertilizer dollar (2005). Crop Congress in Steuben County. Kanona, NY, February 22, 2005.
48. Soil Testing Issues for Phosphorus (2005). New England In-Service Training for Ag Service Providers. Scarborough ME, February 2, 2005.
49. Phosphorus management on dairy farms (2005). New England In-Service Training for Agricultural Service Providers. Scarborough ME, February 2, 2005. Co-author: K.J. Czymmek.
50. Trends in phosphorus in New York (2004). Field Crops Dealer Meetings. October 26 (Clifton Park, NY) and October 29 (Auburn, NY). Co-author: G.L. Albrecht.
51. Nutrient management research update (2004). Field Crops Dealer Meetings. October 26 (Clifton Park, NY) and October 29 (Auburn, NY). Co-author: G.L. Albrecht.
52. Nutrient Management Spear Program – A Campus – County partnership (2004). Cornell Cooperative Extension Week. Ithaca, NY October 5, 2004. Invited presentation.
53. Nutrient Management Extension, Teaching, and Research in New York (2004). World Bank Visit at Cornell University, Ithaca, NY, October, 18, 2004. Presented by Q.M. Ketterings, K.J. Czymmek and G.L. Albrecht.
54. Reducing laboratory variability of the Illinois soil N test (2004). Joint Regional Soil Testing Work Group Meeting (NEC-1007, SERA-6 and NCR-13). Newark, Delaware, September 13-15, 2004. Presentation by Q.M. Ketterings. Co-author: J. Klapwyk.
55. Comparison of Bray-1 and Mehlich-3 tests in high phosphorus soils (2004). Joint Regional Soil Testing Work Group Meeting (NEC-1007, SERA-6 and NCR-13). Newark, Delaware, September 13-15, 2004. Presentation by Q.M. Ketterings. Co-author: M. Flock.
56. Phosphorus management for dairy farms (2004). 2004 NE ASA/SSSA meetings, Nutrient Management Certified Crop Advisor Workshop, Bordentown, New Jersey, July 14, 2004. Presentation by Q.M. Ketterings. Co-authors: K.J. Czymmek and G.L. Albrecht.
57. Starter P project and