Environmental and Economic Benefits of Low-input Farming: Hearing Before a Subcommittee of the Committee on Government Operations, House of Representatives, One Hundredth Congress, Second Session, April 28, 1988, Volumes 74-77
United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee
U.S. Government Printing Office, 1989 - Agricultural chemicals - 298 pages
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acre agencies agricultural chemicals Agricultural Research agronomy alfalfa alternative farming systems animal applied areas BENBROOK biological biological pest control Carl Pulvermacher CLINGER concern contamination Cooperative Extension Cooperative State Research corn costs cover crops crop rotation cropping systems CSRS Funding Department of Agriculture develop economic environment environmental erosion evaluation expenditures Extension Service farmers farming systems research feed going ground water groundwater herbicides integrated pest management Iowa legumes levels livestock low-input agriculture low-input farming systems manure million MOORE MYERS nitrate nitrogen nutrients organic farming Paul O'Connell percent pest control pesticides plant pounds Principal Investigators problems production systems PULVERMACHER reduce Region research and education research projects Research Service secondary categories sources special organic relevance sssssss strategy subcommittee sustainable agriculture SYNAR there's tillage tion U.S. Department University USDA weed control Wisconsin yields