43 resultados para Agricultural area expansion


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"September 1949"

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Issued Aug. 1979.

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Includes bibliographical references (p. 38).

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Mode of access: Internet.

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Prepared in the Developed Countries Area.

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Mode of access: Internet.

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At head of title: U.S. Department of agriculture. Bureau of soils.

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U.S. Department of Agriculture, Bureau of Soils in cooperation with the University of California Agricultural Experiment Station.

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At head of title: Department of Agriculture, Bureau of Soils ... in cooperation with the University of California Agricultural Experiment Station.

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U.S. Department of Agriculture, Bureau of Soils in cooperation with the University of California Agricultural Experiment Station.

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Includes bibliographical references.

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United States Department of Agriculture, Bureau of Chemistry and Soils in cooperation with the University of California Agricultural Experiment Station.

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"Advance sheets--field operations of the Bureau of Soils, 1914."

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United States Department of Agriculture in cooperation with the University of California Agricultural Experiment Station.

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Bibliography: p. 90.