Method and procedure of soil analysis used in the Division of Soil Chemistry and Physics
By: by W.O. Robinson
Edition: Rev.
Series: Circular / United States Department of Agriculture -- no. 139; Circular (United States. Dept. of Agriculture) -- no. 139.
Publisher: U.S. Dept. of Agriculture
Published: 1939
Place of publication: Washington, D.C
Language: eng
Number of pages: 21
Subjects: Soils; Analysis
Notes: "Issued October 1930, Revised Novermeber 1939."