Tuesday, November 14, 2006: 8:00 AM
Indiana Conv. Center, Room 104, First Floor
205: Symposium--New Advances in Understanding and Quantification of Plant N Uptake
Sponsor:S08 Nutrient Management & Soil & Plant Analysis
Presiding:Liwang Ma, USDA-ARS
8:00 AM Introductory Remarks
8:10 AM205-1Modelling N Fixation and its Relationship to N Uptake in the CROPGRO Model. 
Kenneth Boote, Univ of Florida, Agronomy Dept, James W. Jones, Univ of Florida, Gerrit Hoogenboom, Univ of Georgia, Dept Biol & Ag Eng, Keith Ingram, IFAS, Dept Agricultural and Biological Eng
8:40 AM205-2Modelling of Nitrate Uptake, N Translocation and Remobilization Based on Short Term 15N Labelling in Brassica napus L.. 
Alain OURRY, UMR INRA UCBN 950 Ecophysiologie Vegetale, Agronomie et nutritions N, C, S, Frédéric Meuriot, UMR INRA UCBN 950 Ecophysiologie Vegetale, Agronomie et nutritions N, C, S, Philippe Malagoli, UMR INRA UCBN 950 Ecophysiologie Vegetale, Agronomie et nutritions N, C, S, Philippe Lainé, UMR INRA UCBN 950 Ecophysiologie Vegetale, Agronomie et nutritions N, C, S, Erwan Le Deunff, UMR INRA UCBN 950 Ecophysiologie Vegetale, Agronomie et nutritions N, C, S
9:10 AM205-3Modelling Water and N Uptake and Responses in Models of Wheat, Potatoes and Maize. 
Peter D. Jamieson, NZ Institute For Crop & Food Research, Robert F. Zyskowski, NZ Institute For Crop & Food Research, Frank Y. Li, NZ Institute For Crop & Food Research
9:40 AM Break
10:00 AM205-4From Microbial Activities to Root Uptake Kinetics: The Role of Rhizospheric Biology in Plant Nitrogen Uptake.
Hormoz BassiriRad, Univ of Illinois at Chicago, Vincent Gutschick, New Mexico State Univ
10:30 AM205-5Modelling Crop N Dynamics in the APSIM Generic Crop Template. 
Erik J. Van Oosterom, Agricultural Production Systems Research Unit, Graeme L. Hammer, Agricultural Production Systems Research Unit, Scott C. Chapman, CSIRO Plant Industry, Greg McLean, Agricultural Production Systems Research Unit
11:00 AM205-6Quantifying Plant N Uptake with 3D Root Architecture.
Lianhai Wu, Scottish Agricultural College, John A. Baddeley, Scottish Agricultural College, Christine A. Watson, Scottish Agricultural College
11:30 AM205-7A Simple Procedure to Model N Uptake Based on the Single Root Concept. 
Sřren Hansen, Royal Veterinary and Agricultural Univ
12:00 PM Lunch Break
1:00 PM205-8Root Development and Mineral Nitrogen Absorption. 
Arnold J. Bloom, Univ of California Davis, Leslie B. Randall, Univ of California Davis
1:30 PM205-9Roots Below One Meters Depth Are Important for Nitrate Uptake by Annual Crops.
Hanne L. Kristensen, Danish Institute of Agricultural Sciences, Kristian Thorup-Kristensen, Danish Institute of Agricultural Sciences
2:00 PM205-10Role of Dissolved Organic Nitrogen in Agroecosystem Sustainability.
Davey L. Jones, Univ of Wales Bangor, Paula Roberts, Univ of Wales Bangor, John Farrar, Univ of Wales Bangor, Paul Hill, Univ of Wales Bangor
2:30 PM205-11Modelling Grain Protein Formation in Relation to Nitrogen Uptake and Remobilization in Rice Plant. 
Weixing Cao, Nanjing Agricultural Univ, Yan Zhu, Nanjing Agricultural Univ, Weiguo Li, Nanjing Agricultural Univ, Hongbao Ye, Nanjing Agricultural Univ
3:00 PM Break
3:15 PM205-12Simulation of Plant N Uptake in Watershed Management. 
Ping Wang, UMCES, Robert W. Burgholzer, Univ of Maryland at College Park, Ali Sadeghi, USDA-ARS, Lewis C. Linker, USEPA Chesapeake Bay Program, Gary W. Shenk, USEPA Chesapeake Bay Program, Jing Wu, UMCES
3:40 PM205-13Nitrogen Application Rate and Carbon Assimilation in Potato, What Can This Tell Us about Nitrogen Demand and Uptake?. 
Dennis Timlin, USDA-ARS, David Fleisher, USDA-ARS-ACSL, Bldg 001, Rm 342, Soo-hyung Kim, ACSL, Bldg 001, Rm 342, Vangimalla Reddy, ACSL, Bldg 001, Rm 342
4:05 PM205-14N Uptake Affects Corn Yield and N Loss in Tile Drains as Simulated by Agricultural System Models. 
Robert Malone, USDA-ARS, Liwang Ma, USDA-ARS, Ramesh Kanwar, Iowa State Univ
4:30 PM205-15Evaluation of Key Soil and Plant Processes Influencing Nitrogen Uptake in DSSAT. 
Upendra Singh, IFDC
4:55 PM Adjourn

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