Green manure and cover crops for irrigated land.
Contributors: Viets, Frank G.; Nelson, C. E.
Series: Extension bulletin -- 489.; Extension bulletin (State College of Washington. Extension Service) -- 489.
Publisher: Extension Service, Institute of Agricultural Sciences, State College of Washington
Published: 1954
Place of publication: Pullman, Wash
Language: eng
Subjects: Green manure crops; Cover crops
Notes: Cover title.

"By K.J. Morrison, Frank G. Viets, Jr., and C.E. Nelson"--P. 2.

"July 1954."