Rotation tillage experiments at the Lawton (Okla.) Field Station, 1917-1930
By: by W.M. Osborn.
Contributors: United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 330; Technical bulletin (United States. Dept. of Agriculture) -- no. 330.
Publisher: U.S. Dept. of Agriculture
Published: 1932
Place of publication: Washington
Language: eng
Number of pages: 34
Subjects: Crop rotation -- Research -- Oklahoma.
Notes: Caption title.