标题：DISCUSSANT'S COMMENTS FOR AMERICAN AGRICULTURAL ECONOMICS ASSOCIATION ANNUAL MEETING, SELECTED PAPERS SESSION SP-6Y: "AGRICULTURAL PRODUCTION AND THE ENVIRONMENT, WITH A FOCUS ON CLIMATE"
摘要：This session explores various farm management practices within the context of sustainability and environmental uncertainty. Impacts of Global Warming on Cropping Practices in Alberta A. M. Walburger and K. K. Klein, University of Lethbridge. The Value of El Nino Forecast Methods for the U.S. Winter Wheat Producers, Do They Differ? Harvey Hill, Jaehong Park, Wesley Rosenthal, H. Alan Love, Stephen W. Fuller. Trading Poultry Litter at the Watershed Level: A Goal Focusing Approach Kezelee Jones, Gerard D'Souza. A Futuristic Look at the Use of Grazed Forages in the Western United States Larry Van Tassell, University of Wyoming; E. Tom Bartlett, Colorado State University; John Mitchell, U.S. Forest Service.
