Tuesday, November 6, 2007: 9:25 AM
Convention Center, Room R02, Second Floor
190: Nutrient Management in Sustainable and Organic Cropping Systems
Sponsor:S04 Soil Fertility & Plant Nutrition
Presiding:Laura Overstreet, North Dakota State University
9:25 AM Introductory Remarks
9:30 AM190-1Organic Crop Production - Ambitions and Limitations.
Holger Kirchmann, SWEDEN,Univ.of Agric., Lars Bergstrom, SWEDEN,Univ.of Agric.
9:45 AM190-2Managing Phosphorus for Organic Crop Production.
Robert Mikkelsen, International Plant Nutrition Institute
10:00 AM190-3Impacts of Organic Fertilizer Management on Soil Quality and Carbon Dioxide Emissions in Corn.
Raj Shrestha, The Ohio State University, Rattan Lal, The Ohio State University
10:15 AM190-4Nitrogen Credits for Various Organic Inputs in a Long Term Experiment.
Lowell Gentry, Michigan State University, Sieglinde Snapp, Michigan State University, Claire McSwiney, Michigan State University, Gregory A. Parker, Michigan State University, Kellogg Biological Station
10:30 AM190-5Optimizing Cropping Systems for Vegetable Production in Subtropics.
Qingren Wang, Tropical Research and Education Center, University of Florida, Yuncong Li, University of Florida, Waldemar Klassen, Tropical Research and Education Center, University of Florida
10:45 AM190-6Influence of Nutrient Amendments on Chemical and Biological Properties after Topsoil Removal in a Gravelly Alfisol.
Christopher O. Adejuyigbe, University of Agriculture, F. K. Salako, University of Agriculture, Abeokuta, P. O. Dada, University of Agriculture
11:00 AM Adjourn

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