Conservation tillage technology research : implications for a sustainable agriculture : hearing before the Subcommittee on Agricultural Research and General Legislation of the Committee on Agriculture, Nutrition, and Forestry, United States Senate, One Hundred First Congress, first session on recent research on the "zero" or "no-till" methods of conservation tillage, March 15, 1989.
United States.Congress.Senate.Committee on Agriculture, Nutrition, and Forestry.Subcommittee on Agricultural Research and General Legislation.
Washington, [D.C.] : U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office,
1989.
Distributed to some depository libraries in microfiche.
Shipping list no.: 89-323-P.
Item 1032-C, 1032-D (microfiche)
Includes bibliographies.
Conservation tillage
Soil conservation
Sustainable agriculture