Tuesday, November 14, 2006: 12:55 PM
Indiana Conv. Center, Room 103, First Floor
192: Management of Soil Nitrogen Fertility
Sponsor:S04 Soil Fertility & Plant Nutrition
Presiding:Kipling Balkcom, USDA-ARS
12:55 PM Introductory Remarks
1:00 PM192-1Development of the Nitrogen Fertilizer Industry in North America. 
Robert Mikkelsen, International Plant Nutrition Institute
1:15 PM192-2Agrophysiological Responses of Upland NERICA Rice to Nitrogen and Phosphorus Fertilization in the Forest Agroecolology of West Africa.
Sylvester Oikeh, Africa Rice Center (WARDA), Francis Nwilene, Africa Rice Center (WARDA), Sitapha Diatta, Africa Rice Center (WARDA), Olu Osiname, Africa Rice Center (WARDA), Amadou Toure, Africa Rice Center (WARDA), Segun Okhidievbie, Africa Rice Center (WARDA)
1:30 PM192-3Use of Discrete Marginal Analysis for Calculating Economically Optimal Rates of Nitrogen Fertilization for Corn.
Peter Kyveryga, Iowa Soybean Association, Alfred M. Blackmer, Iowa State Univ, Antonio P. Mallarino, Iowa State Univ
1:45 PM192-4Evaluation of Some Indices of Potentially Available Organic Nitrogen in Soil.
Mehdi Sharifi, Potato Research Centre, Bernie Zebarth, Potato Research Centre, David Burton, Nova Scotia Agric. College, Cynthia Grant, Agriculture and Agri-Food Canada
2:00 PM192-5Seasonal Changes in Soil N as Affected by Soil Managements in Canadian Prairie. 
Ronggui Wu, Brandon Research Center, Agriculture and Agri-Food Canada, Cynthia Grant, Agriculture & Agri-Food Canada
2:15 PM192-6Fertilizer N Uptake and Efficiency of Surface and Deep Applied N in California Rice Systems. 
Bruce Linquist, Dept of Plant Sciences, Chris Van Kessel, Dept of Plant Sciences, Kaden Koffler, Dept of Plant Sciences, Chris Hartley, Dept of Plant Sciences
2:30 PM Break
2:45 PM192-7Coastal Bermudagrass Response to N Sources and Rates. 
Vincent A. Haby, Texas Ag Experiment Station, Texas A&M Univ, Maria L. Silveira, Texas Ag Experiment Station, Texas A&M Univ, Allen T. Leonard, Texas Ag Experiment Station, Texas A&M Univ
3:00 PM192-8Injections of 13C-Acetic Acid Vapor and 15N-Ammonia Gas into Soil to Track the Fate of Nutrients Without Dsturbing Soil Water Status: Applications in an Investigation of Hydraulic Redistribution Under Artemisia tridentata. 
Patrick Herron, EEB Dept, Univ of Connecticut, Carson Holt, Dept of Biology, Utah State Univ, John Stark, Utah State University, Zoe Cardon, EEB Dept, Univ of Connecticut
3:15 PM192-9Effect of Residence Time on Nitrogen Uptake Dynamics of Sweet Corn. 
Lincoln Zotarelli, Univ of Florida, Johannes Scholberg, Univ of Florida, Laura Avila, Agronomy Dept, Michael Dukes, Agricultural and Biological Engineering
3:30 PM192-10Effect of Delayed N Fertilization on Corn Grain Yields. 
Olga Walsh, Oklahoma State Univ, Arthur Klatt, Oklahoma State Univ, John Solie, Oklahoma State Univ, William Raun, Oklahoma State Univ
3:45 PM192-11Use of 15N and Soil-N Uptake Monitoring (SUM) System for Evaluating Potential Competition Between Citrus and Perennial Peanut (Arachis glabrata) and Bermuda Grass (Cynodon dactylon). 
Jose Linares, Univ of Florida, Johannes Scholberg, Univ Florida, 304 Newell Hall, Donald Graetz, Univ of Florida,106 Newell, Robert McSorley, Entomology and Nematology, Wadell Altom, The Samuel Roberts Noble Foundation, Carlene Chase, Univ Florida, Horticulture Science Dept
4:00 PM192-12Soil-Plant N Resiliency - What is It and What Produces It?. 
John J. Meisinger, BARC-East, James Schepers, Univ of Nebraska, 113 Keim Hall, Larry Bundy, Univ of Wisconsin, Dept of Soil Science, William Raun, 044 N Ag Hall, OK State Univ, Gyles W. Randall, Univ of Minnesota, Southern Research and Outreach Center
4:15 PM Discussion
5:10 PM Adjourn

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