The effect of different colloidal soil materials on the efficiency of superphosphate
By: by Philip L. Gile.
Contributors: United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 371; Technical bulletin (United States. Dept. of Agriculture) -- no. 371.
Publisher: U.S. Dept. of Agriculture
Published: 1933
Place of publication: Washington
Language: eng
Number of pages: 50
Subjects: Superphosphates.; Soil colloids.
Notes: Cover title.

Literature cited: p. 36-39.