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.

Washington : U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, 1989.

iv, 98 p. : ill., 1 form ; 24 cm.

English

June 01, 2002

Includes bibliographies.