Identification of commercial fertilizer materials
By: by William H. Fry
Series: Bulletin of the U.S. Department of Agriculture -- no. 97; Bulletin of the U.S. Department of Agriculture -- no. 97.
Publisher: U.S. Dept. of Agriculture
Published: 1914
Place of publication: Washington, D.C
Language: eng
Number of pages: 13
Subjects: Fertilizers
Notes: Caption title.

"June 12, 1914."

"Professional papers."