by Pierre R. Crosson
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Resource and environmental effects of U....
Productivity effects of cropland erosion...
The world food situation
Greenhouse Warming
Economic growth in Malaysia
The Cropland Crisis--Myth or Reality?
A Systems approach to conservation tilla...
Effects Conservation Tillage on Ground W...
Conservation Tillage in Temperate Agroec...
Conservation Tillage Systems and Water P...
Crop residue management to reduce erosio...
Conservation tillage, January 1991 - Dec...