Holding back nitrification in the dry land wheat area of eastern Washington
By: by A.R. Halvorson.
Series: Extension mimeo -- 4504.; Extension mimeo (Washington State University. Cooperative Extension) -- 4504.
Publisher: Cooperative Extension, Washington State University
Published: 1979
Place of publication: Pullman
Language: eng
Notes: Caption title.

"November 1979"--P. [1].

"EM 4504"--P. [1].