Environmental and economic benefits of low-input farming microform : hearing before a subcommittee of the Committee on Government Operations, House of Representatives, One Hundredth Congress, second session, April 28, 1988.
United States.Congress.House.Committee on Government Operations.Environment, Energy, and Natural Resources Subcommittee.
Washington [D.C.] : U.S. G.P.O. : For sale by the Supt. of Doc., Congressional Sales Office, U.S. G.P.O.,
1989.
Includes bibliographies.
Microfiche.
Farm management
Agricultural systems
Agricultural chemicals