Farm crops and soils ; problems in production, management, and conservation /

Bibliographic Details
Main Author:	Gregory, R. W. (Raymond William), 1893-
Other Authors:	Aderhold, Omer Clyde, Coffman, Franklin A. (Franklin Arthur), 1892-, Collins, William Olin, 1891-
Format:	Book
Language:	English
Published:	Philadelphia, Chicago [etc.] : J.B. Lippincott company, [1941]
Subjects:	Agriculture > United States. Soils.

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