138 resultados para Soil C
em University of Michigan
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Prepared in cooperation with Texas Agricultural Experiment Station.
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Mode of access: Internet.
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Sabin 10390; Staton and Tremaine, no. 1638.
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Includes index.
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Mode of access: Internet.
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Mode of access: Internet.
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"Published by authority of the provincial government."
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Item 473-B-1
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Bibliography: p. 46-48.
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Mode of access: Internet.
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"January 15, 1957."
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.