Variability in soils and its significance to past and future soil investigations.
By: By Dean David Waynick.
Contributors: Sharp, Leslie Theodore, 1888-
Series: University of California publications in agricultural sciences -- v. 3, no. 9; v. 4, no. 5
Publisher: University of California press
Published: 1918
Place of publication: Berkeley
Language: eng
Subjects: Soils.
Notes: Part II by D. D. Waynick and L. T. Sharp.

"Literature cited": v. 3, p. 270; v. 4, p. 139.
Table of contents: value: I. A statistical study of nitrification in soil.; value: II. Variations in nitrogen and carbon in field soils and their relation to the accuracy of field trials.