costs of stubble mulch tillage in eastern Washington
Subtitle: a panel study of crop yields and production costs
By: Carl Engle and Bruce Florea.
Series: Extension mimeo -- 4409.; Extension mimeo (Washington State University. Cooperative Extension) -- 4409.
Publisher: Cooperative Extension, Washington State University
Published: 1979
Place of publication: Pullman, Wash
Language: eng
Number of pages: 10
Subjects: Stubble mulching
Notes: Caption title.

"January 1979"--Cover.

"EM 4409"--Cover.