Results of fertilizer experiments on Norfolk fine sandy loam and on Norfolk sandy loam
By: by J.J. Skinner.
Contributors: United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 225; Technical bulletin (United States. Dept. of Agriculture) -- no. 225.
Publisher: U.S. Dept. of Agriculture
Published: 1931
Place of publication: Washington
Language: eng
Number of pages: 23
Subjects: Fertilizers -- Research.
Notes: Caption title.

Literature cited: p. 21-22.