960 resultados para alkali soils
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With accompanying papers by assistants in charge of field parties.
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Mode of access: Internet.
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"May 1996."
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V. 1 Soils.--v. 2. Fertilizers.--v. 3. Agricultural products.
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Mode of access: Internet.
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Chiefly tables.
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Chiefly tables.
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"Issued December 1962."
Physiographic history and the soils, entrenched stream systems, and gullies, Harrison County, Iowa /
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Literature cited: p. 82-87.
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Cover title.
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Caption title.
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"The work represented by this publication was supported by the Bankhead-Jones research fund. It was initiated in the Bureau of chemistry and soils (now the Bureau of agricultural chemistry and engineering) and was later transferred to the Bureau of plant industry."--P. 1.
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In cooperation with Ohio Agricultural Research and Development Center, Wooster, Ohio.
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Mode of access: Internet.
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Mode of access: Internet.