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Soybeans : culture and varieties
- Morse, W. J. (William Joseph)
- Farmers' bulletin / United States Department of Agriculture ; no. 1520 1927
- Soybean, Soybean -- Varieties, legumes, plant cultural practices, planting, tillage, fertilizers, harvesting, crop yield, crop rotation, intercropping, plant diseases and disorders, insect pests, plant pests, sowing, site preparation, varieties, and variety trials
- 34 p. : ill., 1 map ; 23 cm.
- U.S. Dept. of Agriculture
- Organic Roots Collection