Thursday, 13 July 2006: 10:15 AM
Convention Center, Room 114, First Floor
67: 3.3A Future Challenges in P Fertilization and the Environment - Oral
Sponsor:WCSS
Presiding:John Syers, Mae Fah Luang University
Convenors:Lawrence Hammond, International Fertilizer Development Center
Andrew Sharpley, USDA-ARS, Past. Sys. & Mgmt. Res.
10:15 AM67-1Efficiency of Soil and Fertilizer Phosphorus: Reconciling Changing Concepts of Soil Phosphorus Chemistry with Agronomic Information.
John Keith Syers, Mae Fah Luang Univ, Arthur E. Johnston, Rothamsted Research
10:45 AM67-2Can Plants Deliver Food, Fibre and Solutions for Anthropogenic Soil Phosphate Problems ?.
Mike J. Hedley, Institute of Natural Resources, Stephen Trolove, Crop and Food Research
11:05 AM67-3Microbial Cycling of Phosphorus in Grassland Soils under Long-Term Fertiliser Management.
Anthony O'Donnell, Institute for Research on Environment and Sustainability, S.R. Colvan, Institute for Research on Environment and Sustainability, John Keith Syers, Mae Fah Luang Univ, R. Husband, Institute for Research on Environment and Sustainability
11:25 AM67-4Phosphate Fertilizers: Addressing the Challenges for Production, Use and Management in Developed and Developing Country Agriculture.
Lawrence Hammond, IFDC, Norman Chien, IFDC, Upendra Singh, IFDC
11:45 AM67-5Agricultural Phosphorus and the Environment: Challenges to Science, Practice and Policy.
Andrew Sharpley, USDA Agricultural Research Service, Peter Kleinman, USDA Agricultural Research Service

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