Conservation tillage : things to consider.

Bibliographic Details
Corporate Author:	United States. Department of Agriculture. Office of Governmental and Public Affairs
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.] : U.S. Dept. of Agriculture, Office of Governmental and Public Affairs, [1985]
Series:	Agriculture information bulletin ; no. 461.
Subjects:	Conservation tillage > United States. Soil conservation > United States.

Evans: US Documents (Annex 5th floor)