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Phosphorus management strategies for lakes : proceedings of the 1979 conference sponsored by the New York State College of Agriculture and Life Sciences, a statutory college of the State University at Cornell University, [and] the International Joint Commission (U.S. and Canada)

edited by Raymond C. Loehr, Colleen S. Ma...
Bok Engelsk 1980

Best management practices for agriculture and silviculture : proceedings of the 1978 Cornell Agricultural Waste Management Conference

Cornell Agricultural Waste Management Conference
Bok Engelsk 1979

Land as a waste management alternative : proceedings of the 1976 Cornell Agricultural Waste Management Conference

Cornell Agricultural Waste Management Conference
Bok Engelsk 1977

Pollution control for agriculture

by Raymond C. Loehr
Bok Språk ikke angitt 1977

Agricultural waste management : problems, processes, and approaches

Raymond C. Loehr
Bok Engelsk 1974

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