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Rotation tillage experiments at the Lawton (Okla.) Field Station, 1917-1930


Author:
Osborn, W. M.
Source:
Technical bulletin (United States. Dept. of Agriculture) ; no. 330 1932
Year:
1932
Subject:
Crop rotation -- Research -- Oklahoma
Format:
35 p. : ill. ; 23 cm.
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection