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Soil productivity as affected by crop rotation
- Weir, Wilbert Walter
- Farmers' bulletin / United States Department of Agriculture ; no. 1475 1926
- Soil productivity, Crop rotation, crop yield, crop rotation, cropping systems, soil productivity, soil fertility, soil quality, soil management, tillage, intercropping, legumes, cropping sequence, plant cultural practices, crop management, cover crops, grain crops, green manures, soil conservation, fertilizers, and soil
- 22 p. : ill. ; 23 cm.
- U.S. Dept. of Agriculture
- Organic Roots Collection