Relation of the depth to which the soil is wet at seeding time to the yield of spring wheat on the Great Plains
By: by John S. Cole and O.R. Mathews
Contributors: Mathews, O. R. (Oscar Roland), b. 1890
Series: Circular / United States Department of Agriculture -- no.563; Circular (United States. Dept. of Agriculture) -- no.563.
Publisher: U.S. Dept. of Agriculture
Published: 1940
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Plants; Soils; Effect of soil moisture on; Wheat
Notes: Caption title.

"Contribution from Bureau of Plant Industry."