Wednesday, 8 October 2008: 8:25 AM
George R. Brown Convention Center, 360F
747: Crop Response to Nitrogen Fertilizer
Sponsor:S04 Soil Fertility & Plant Nutrition
Organizer:Miguel L. Cabrera, University of Georgia
Presiding:Michael Russelle, USDA-ARS
8:25 AM Introductory Remarks
8:30 AM747-1Optimal N Rates for Corn, Millet and Wheat in a No-till Dryland Rotation.
Merle F. Vigil, USDA-ARS, David Poss, USDA-ARS, David Nielsen, USDA-ARS, Joe Benjamin, USDA-ARS, Maysoon Mikha, USDA-ARS
8:45 AM747-2N Response of ‘Supersoft' White Winter Wheat in NE Oregon.
Steven Petrie, Oregon State University
9:00 AM747-3Selecting the “Best” Yield Response Curve – How Much Does It Matter?.
Dan Jaynes, USDA-ARS
9:15 AM747-4Nitrogen Fertilization for Ethanol Production with Sweet Sorghum and Corn.
Gene Stevens, University of Missouri, Roland Holou, University of Missouri, Matthew Rhine, University of Missouri, David Dunn, University of Missouri
9:30 AM Break
9:45 AM747-5Economics of Nitrogen Rate and Application Timing Effects on Wheat.
Stephen Ebelhar, University of Illinois-Urbana-Champaign, Emerson D. Nafziger, University of Illinois, Eric Adee, University of Illinois-Urbana-Champaign, Carl Hart, University of Illinois-Urbana-Champaign, Lyle Paul, University of Illinois-Urbana-Champaign
10:00 AM747-6The Impact of Fertilizer Type and Application Method on the Loss of Ammonia (NH3).
Katy Smith, National Soil Dynamics Laboratory, Dexter B. Watts, USDA-ARS, H. Allen Torbert, USDA-ARS, T. Way, USDA-ARS
10:15 AM747-7Fine-Tuning the Amount of Nitrogen Fertilizer Applied to Canola (Brassica napus L.) in Western Canada Using Optical Sensors.
Chris B. Holzapfel, Indian Head Agricultural Research Foundation, Guy P. Lafond, Agriculture and Agri-Food Canada, Stewart A. Brandt, Agriculture Canada Res. Station, Paul R. Bullock, University of Manitoba, R. Byron Irvine, Agriculture and Agri-Food Canada, Dean James, AAFC – Semiarid Prairie Agricultural Research Centre, Malcolm, J. Morrison, Agriculture and AgriFood Canada, William E. May, Agriculture and Agri-Food Canada
10:30 AM747-8Effect of Drip Irrigation and N Application Rates on Biomass Accumulation, Nitrogen Uptake, and Yield of Bell Pepper and Watermelon Crops.
Kamal A. Mahmoud, Soil and Water Science Department, Kelly T. Morgan, University of Florida, Peter Nkedi-Kizza, University of Florida, Jerry B. Sartain, Univ. of Florida, Eric H. Simonne, University of Florida
10:45 AM747-9Nitrogen and Water Management Effects on Spikelet Sterility of Flooded Rice in Chile.
Rodrigo Ortega, Universidad Técnica Federico Santa María, Departamento de Industrias, David Del Solar, Universidad Técnica Federico Santa María, Departamento de Industrias, Edmundo Acevedo, CHILE,Univ. of
11:00 AM Adjourn

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