20 resultados para phenylurea herbicides
Resumo:
"Contract: EH 10."
Resumo:
Submitted to the Environmental Protection Agency on Sept. 12, 1977.
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In cooperation with state agricultural experiment stations, Cooperative Extension Service, other state agencies, U.S. Environmental Protection Agency.
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Literature cited: p. 44-45.
Resumo:
"August 1984"--Vol. 1; "October 1986"--Vol. 1:Supp.; "October 1986"--Vol. 2.