na INLIS000000000004744 Ind 0010-1118004744 Farming for the future: an introduction to low external-input and sustainable agriculture REINTJES, COEN Coen Reintjes, Bertus Naverkort and Ann Waters Bayer London McMillan 1992 xxi, 250 p.: ill.; 25 cm. xxi, 250 p.: ill.; 25 cm. 0-333-57011-1 630 AGRICULTURE RELATED TECHNOLOGIES SUSTAINABLE AGRICULTURE 95/14