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Chapter 5. Michael Duffy. 1991. Economic considerations in sustainable agriculture for midwestern farmers. Pages 92-106. In: Board on Agriculture, National Research Council. 1991. Sustainable Agriculture Research and Education in the Field—A proceedings, National Academy Press, Washington D.C. 437 pages.
Keywords: U. S. farm input use 1977 base to 1980, change in U. S. agricultural productivity as measured by selected indices, three low-input farming systems, chemical and organic production system demonstration project in Northeastern Iowa, Rodale conversion project in Kutztown, Pennsylvania, farming systems project in Central Iowa, suggestions for future research, profitability, societal costs and benefits, farm family resources, government policies, risk management, macrolevel impacts, steps towards sustainable agriculture
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