Sustainable agricultural systems /
- Ankeny, Iowa : Soil and Water Conservation Society, c1990.
- xvi, 696 p. : ill., maps ; 24 cm.
"Proceedings of the International Conference on Sustainable Agricultural Systems that was held at Ohio State University, Columbus, Ohio, in September 1988 ... [under the] sponsorship of USAID ... [et al.]"--P. xiv.
093573421X :
Sustainable agriculture.
Agricultural systems.
338 SOI 1990 A068 Or.
"Proceedings of the International Conference on Sustainable Agricultural Systems that was held at Ohio State University, Columbus, Ohio, in September 1988 ... [under the] sponsorship of USAID ... [et al.]"--P. xiv.
093573421X :
Sustainable agriculture.
Agricultural systems.
338 SOI 1990 A068 Or.