Factors affecting the mechanical application of fertilizers to the soil
By: by Arnon L. Mehring and Glenn A. Cumings.
Contributors: Cumings, Glenn A. 1894-; United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 182; Technical bulletin (United States. Dept. of Agriculture) -- no. 182.
Publisher: U.S. Dept. of Agriculture
Published: 1930
Place of publication: Washington
Language: eng
Number of pages: 96
Subjects: Fertilizer equipment.; Fertilizers.
Notes: Cover title.

Literature cited: p. 94-95.