Thursday, 13 July 2006: 8:00 AM
Convention Center, Room 114, First Floor
59: 4.1A Organic Farming – Advantages and Disadvantages for Soils, Water Quality and Sustainability - Oral
Sponsor:WCSS
Presiding:Holger Kirchmann, Swedish Univ. of Agric. Sci.
Convenor:Laurie Drinkwater, Cornell University
8:00 AMPlant Nutrients in Organic Farming.
Keith Goulding, Rothamsted Research, Elizabeth A. Stockdale, School of Agriculture, Food and Rural Development, Christine A. Watson, Scottish Agricultural College
8:30 AMNutrient Use Efficiencies and Leaching in Organic and Conventional Cropping Systems in Sweden.
Lars F. Bergström, Dept of Soil Science, Swedish Univ of Agricultural Sciences, Holger Kirchmann, Dept of Soil Science, Swedish Univ of Agricultural Sciences
8:50 AMAre Nutrient Dynamics and Use Efficiency in Organic Cropping Systems Particular.
Emmanuel Frossard, Group of Plant Nutrition ETH, Astrid Oberson, Group of Plant Nutrition ETH, Christine Bosshard, Group of Plant Nutrition ETH, Simone Nanzer, Group of Plant Nutrition ETH, Hans Ulrich Tagmann, Group of Plant Nutrition ETH, David Dubois, Agroscope Reckenholz, Paul Mäder, FiBL, Daniel Tessier, INRA
9:10 AMThe Contribution of Organic Agriculture to Sustainable Land Management in a Temperate Climate.
Robert M. Rees, Scottish Agricultural College (SAC), Christine A. Watson, Scottish Agricultural College (SAC), Bruce C. Ball, Scottish Agricultural College (SAC), John A. Baddeley, SAC, Robin L. Walker, Scottish Agricultural College (SAC), Kairsty F.E. Topp, Scottish Agricultural College (SAC), Claus D. Mayer, BIOSS
9:30 AMSoil and Nutrient Erosion Risk in Organic and Conventional Cropping Systems.
V. Steven Green, USDA-ARS-SASL, Michel A. Cavigelli, USDA-ARS-SASL, Thanh H. Dao, USDA-ARS, Dennis C. Flanagan, USDA-ARS-NSERL

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