Progress report on mechanical application of fertilizers to cotton in South Carolina, 1930
By: by G.A. Cumings ... [et al.].
Series: Circular / United States Department of Agriculture -- no. 192; Circular (United States. Dept. of Agriculture) -- no. 192.
Publisher: U.S. Dept. of Agriculture
Published: 1931
Place of publication: Washington, D.C
Language: eng
Number of pages: 32
Subjects: Fertilizers; Cotton
Notes: Caption title.

Joint contribution from Bureau of Agricultural Engineering and Bureau of Chemistry and Soils.

Bibliography: p. 31.