Projected least-cost number and size of machinery complements for tillage operations in the wheat growing region of eastern Washington in 1985
By: Kevin W. O'Connell, Raymond J. Folwell, Gordon E. Rodewald, Jr.
Contributors: Folwell, Raymond J.; Rodewald, Gordon E.
Series: Bulletin / Washington State University, College of Agriculture Research Center -- 860.; Bulletin (Washington State University. College of Agriculture. Research Center) -- 860.
Publisher: Washington State University, College of Agriculture Research Center
Published: 1978
Place of publication: [Pullman, Wash.]
Language: eng
Subjects: Farm tractors -- Economic aspects -- Washington (State); Wheat -- Washington (State) -- Machinery
Notes: Cover title.

"April, 1978"--P. 7.

Bibliography: p. 7.