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Effects of agricultural conservation practices on fish and wildlife : a Conservation Effects Assessment Project (CEAP) bibliography
Beltsville, Md. : Water Quality Information Center, National Agricultural Library, Agricultural Research Service, U.S. Dept. of Agriculture, 2008Format: Government Document Book
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Conservation tillage, January 1980-August 1985 : citations from Agricola concerning diseases and other environmental considerations
Beltsville, Md. : Washington, D.C. : U.S. Dept. of Agriculture, National Agricultural Library ; U.S. Environmental Protection Agency, Office of Pesticide Programs, 1986Format: Government Document Book
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