127 resultados para Soils. Soil science


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Prepared in cooperation with Texas Agricultural Experiment Station.

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Prepared in cooperation with Washington Agricultural Experiment Station.

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"In cooperation with Texas Agricultural Experiment Station."

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"In cooperation with Texas Agricultural Experiment Station."

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"In cooperation with Texas Agricultural Experiment Station."

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In cooperation with University of Georgia, College of Agriculture, Agricultural Experiment Station.

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Item 102-B-38

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"In cooperation with Michigan Agricultural Experiment Station."

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"Issued October 1981"--P. i.

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At head of title: United States Dept. of Agriculture, Bureau of Chemistry and Soils in cooperation with the Michigan Agricultural Experiment Station.

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Cover title.

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Item 102-B-22.

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Report for each year issued in two volumes: text, and portfolio.

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Folded col. map attached to back cover.

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Title from cover.