Crop rotation, tillage, and fertility experiments at the Lawton (Okla.) Field Station, 1917-49
By: [by W.M. Osborn and O.R. Mathews]
Contributors: Mathews, O. R. (Oscar Roland), b. 1890
Series: Circular / United States Department of Agriculture -- no. 951; Circular (United States. Dept. of Agriculture) -- no. 951.
Publisher: U.S. Dept. of Agriculture
Published: 1955
Place of publication: Washington, D.C
Language: eng
Number of pages: 58
Subjects: Tillage; Crop rotation; Field experiments
Notes: Cover title.

Bibliography: p. 44-45.