Some methods for detecting differences in soil organic matter
By: by Edmund C. Shorey.
Contributors: United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 211; Technical bulletin (United States. Dept. of Agriculture) -- no.  211.
Publisher: U.S. Dept. of Agriculture
Published: 1930
Place of publication: Washington
Language: eng
Number of pages: 28
Subjects: Soils -- Composition.; Soils -- Testing.
Other titles: Detecting differences in soil organic matter.
Notes: Caption title.

Literature cited: p. 25-27.