The actions of manganese under acid and neutral soil conditions
By: by J.J. Skinner and F.R. Reid
Contributors: Reid, F. R. (Frederic Robertson)
Series: Bulletin / United States Department of Agriculture -- no. 441; Bulletin of the U.S. Department of Agriculture -- no. 441.
Publisher: U.S. Dept. of Agriculture
Published: 1916
Place of publication: Washington, D.C
Language: eng
Number of pages: 12
Subjects: Effect of manganese on Plants; Soils; Manganese content; Manganese
Notes: Caption title.

"October 27, 1916."

"Professional paper."