48 resultados para Soils, Salts in


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"Prepared Especially for Use with Text-Books in Agriculture, General Science and Geography"

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"May 1996."

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"Issued December 1962."

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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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Mode of access: Internet.