Costs, returns, and relative soil loss comparisons of alternative tillage systems in the three precipitation zones of the Palouse River Basin, Washington
By: by Arthur J. Caplan.
Published: 1986
Language: eng
Number of pages: 334
Subjects: Tillage -- Economic aspects -- Washington (State); Tillage -- Washington (State); Agriculture -- Economic aspects -- Washington (State)
Notes: Typescript.

Thesis (M.A.)--Washington State University, 1986.

Bibliography: leaves 167-172.

WSU:"Department of Agricultural Economics."