000 00791pam a2200193 a 4500
020 _a093573421X :
040 _cDLC
082 0 0 _a338 SOI 1990 A068 Or.
245 0 0 _aSustainable agricultural systems /
260 _aAnkeny, Iowa :
_bSoil and Water Conservation Society,
_cc1990.
300 _axvi, 696 p. :
_bill., maps ;
_c24 cm.
500 _a"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.
650 0 _aSustainable agriculture.
650 0 _aAgricultural systems.
700 1 _aEdwards, C. A.
710 1 _aUnited States.
856 4 2 _uhttp://www.loc.gov/catdir/enhancements/fy0744/89026370-d.html
942 _cEK
999 _c14869
_d14869