Results of field crop, shelterbelt, and orchard investigations at the United States Dry Land Field Station, Ardmore, S.Dak, 1911-32
By: by Oscar R. Mathews and Verner I. Clark
Contributors: Clark, Verner I. (Verner Ivan), 1891-
Series: Circular / United States Department of Agriculture -- no. 421; Circular (United States. Dept. of Agriculture) -- no. 421.
Publisher: U.S. Dept. of Agriculture
Published: 1937
Place of publication: Washington, D.C
Language: eng
Number of pages: 48
Subjects: Dry farming; Windbreaks, shelterbelts; Fruit-culture
Notes: Cover title.

"Contribution from Bureau of Plant Industry."

Includes bibliographical references.