Exchangeable cations, cation exchange capacity and base saturation and it's [sic] relationship to soil fertility
By: A.R. Halvorson.
Series: Extension mimeo -- 2894.; Extension mimeo (Washington State University. Cooperative Extension) -- 2894.
Publisher: College of Agriculture, Cooperative Extension Service, Washington State University
Published: 1968
Place of publication: Pullman, Wash
Language: eng
Notes: Caption title.

"January 1968."

"E.M. 2894."