Double superphosphate
By: by A.L. Mehring
Series: Circular / United States Department of Agriculture -- no. 718; Circular (United States. Dept. of Agriculture) -- no. 718.
Publisher: U.S. Dept. of Agriculture
Published: 1944
Place of publication: Washington, D.C
Language: eng
Number of pages: 24
Subjects: Superphosphates; Phosphatic fertilizers
Notes: Caption title.

Bibliography: p. 22-24.