Sustainable agricultural systems
Topics in this congres report about sustainable agriculture are: history, goals of international research centers, various components (e.g. soil, crops, weeds, animals), the importance of integration, farming systems in the Tropics, effects on the environment and on human health, policy development for the low-input sustainable agriculture programme
Print Book, English, ©1990
Soil and Water Conservation Society, Ankeny, Iowa, ©1990