Environmental implications of trends in agriculture and silviculture
By: by Samuel G. Unger, Development Planning and Research Associates
Contributors: Environmental Research Laboratory (Athens, Ga.)
Series: Research reporting series; Research reporting series
Publisher: Environmental Protection Agency, Office of Resarch and Development, Environmental Research Laboratory; for sale by the National Technical Information Service
Published: 1978
Place of publication: Athens, Ga; Springfield, Va
Language: eng
Subjects: Agriculture -- Environmental aspects -- United States; Forest management -- Environmental aspects -- United States
Other titles: Environmental effects of trends; Regional crop production trends
Notes: Contract no. 68-03-2451

Includes bibliographical references
Table of contents: value: v. 2. Environmental effects of trends.; value: v. 3. Regional crop production trends