10 resultados para crop management
em University of Michigan
Resumo:
On cover: By E. W. Atkins [and] K. Hawkins.
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October 1979.
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"Serial no. 109-27."
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"Serial no. 110-14."
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"Serial no. 110-22."
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"Serial no. 110-15."
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"Serial no. 110-9."
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"October 1985"--P. 2.
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Prepared for U. S. Environmental Protection Agency. Office of Solid Waste Management Programs.
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"Revised 1974"