Wednesday, November 15, 2006: 7:55 AM
Indiana Conv. Center, Room 104, First Floor
300: Symposium--Integrating Weather Variability into Nitrogen Recommendations
Sponsor:S08 Nutrient Management & Soil & Plant Analysis
Cosponsor:S04 Soil Fertility & Plant Nutrition
Presiding:Thomas Bruulsema, Potash & Phosphate Institute
7:55 AM Introductory Remarks
8:00 AM300-1Crop Simulation Models and Decision Support Systems.
Gerrit Hoogenboom, Univ of Georgia, Upendra Singh, IFDC, Paul Wilkens, Intl. Fertilizer Development Ctr., Jeffrey W. White, US Arid Land Agricultural Research Center, James W. Jones, Univ of Florida, Kenneth J. Boote, Univ of Florida, L.T. Hunt, Univ of Guelph
8:20 AM300-2Optimizing Nitrogen Management under Rainfed Agriculture. 
Upendra Singh, IFDC, Paul Wilkens, Intl. Fertilizer Development Ctr., Sanjay Patil, Indira Gandhi Agricultural Univ, Mustapha Naimi, IFDC
8:40 AM300-3Science and Education Needs to Reconcile National Environmental and Energy Goals with Current Nitrogen Recommendations. 
Raymond E. Knighton, USDA-CSREES-NRE, Michael O'Neill, USDA-CSREES-NRE
9:00 AM300-4Hillslope-Scale Variability in Corn Response to Nitrogen Linked to In-season Soil Moisture Redistribution.
John Schmidt, USDA-ARS-PSWMRU, Nan Hong, Univerisity of Missouri, Adam Dellinger, Pennsylvania State Univ, Douglas Beegle, Pennsylvania State Univ, Hangsheng Lin, Penn State Univ
9:20 AM Break
9:35 AM300-5Model-Based Nitrogen Fertilization Considering Agrometeorological Data. 
Kurt Christian Kersebaum, Centre of Agricultural Landscape Research
10:05 AM300-6Exploring the Effect of Weather Forecast Accuracy on Fertilizer Recommendations.
Gordon Dailey, Rothamsted Research, Andy Whitmore, Rothamsted Research, Jo Smith, Univ of Aberdeen
10:35 AM300-7In-Season and Real-Time Plant Analysis for a more Flexible Nitrogen Recommendation System. 
Axel Link, YARA International, Joachim Lammel, YARA International
11:05 AM300-8In-Season Prediction of Yield Potential for Nitrogen Management in Irrigated Corn. 
Achim Dobermann, Univ of Nebraska, Haishun Yang, Univ of Nebraska, Kenneth Cassman, Univ of Nebraska, Agronomy Dept, Daniel Walters, Univ of Nebraska, Agronomy Dept
11:25 AM Lunch
12:25 PM300-9Fifty Years of Predicting Wheat Nitrogen Requirements Based on Soil Water, Yield, Protein and Nitrogen Efficiencies. 
William Pan, Washington State Univ, William Schillinger, Washington State Univ, David Huggins, USDA-ARS, Richard Koenig, Washington State Univ, John Burns, Washington State Univ
12:45 PM300-10A Water Use Based System for Deriving Nitrogen Recommendations in the Canadian Prairies. 
Rigas Karamanos, Western Co-Op Fertilizers Ltd, Harold Dickey, Retired
1:05 PM300-11How to Mitigate the Effects of Season on Corn Nitrogen Fertilizer Requirements. 
Nicolas Tremblay, Agriculture and Agri-Food Canada, Carl Bélec, Agriculture and Agri-Food Canada
1:25 PM300-12Linking In-Season Fertilizer Decisions to Weather-Based Yield Predictions.
Nathan Derby, NDSU, Soil Science Dept, Francis Casey, North Dakota State Univ, Ray E. Knighton, USDA-CSREES-NRE, Dean Steele, North Dakota State Univ
1:45 PM Break
2:00 PM300-13Nitrogen Management Under Maize in Humid Regions: Case for the Dynamic Approach. 
Harold Van Es, Cornell Univ, Jeff Melkonian, Cornell Univ, Jean M. Sogbedji, Univ de Lome, Ivy Tan, Cornell Univ, Beverly Kay, Dept. of Land Res. Science, R.S. Dharmakeerthi, Univ of Guelph, H. Dadfar, Univ of Guelph
2:20 PM300-14Application of Dynamic Simulation Modelling for Nitrogen Management in Maize. 
Jeff Melkonian, Cornell University, Harold Van Es, Cornell Univ, Arthur T. DeGaetano, Cornell Univ, Jean M. Sogbedji, Univ de Lome, Ecole Superieure d'Agronomie, Laura Joseph, Cornell Univ
2:40 PM300-15Dynamic Fertilizer Management Triggered by Real-Time Simulations and Weather Conditions. 
Jetse Stoorvogel, Wageningen Univ and Research Centre, M.P.W. Sonneveld, Wageningen Univ and Research Centre, E. Serrano, Corporación Bananera Nacional (CORBANA)
3:10 PM300-16Nitrogen Application Time and Weather Determine Nitrogen Effectiveness in Maize Production. 
Jeffrey R. Wessel, Univ of Illinois, Fred E. Below, Univ of Illinois
3:30 PM Discussion
3:45 PM Adjourn
Cosponsor:S04 Soil Fertility & Plant Nutrition

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