More food through conservation farming
By: by Arthur T. Semple
Series: Farmers' bulletin / United States Department of Agriculture -- no. 1909; Farmers' bulletin (United States. Department of Agriculture) -- no. 1909.
Publisher: U.S. Department of Agriculture
Published: 1942
Place of publication: Washington, D.C
Language: eng
Number of pages: 54
Subjects: Agricultural conservation; Soil conservation