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Soil fertility : an address delivered before the Rich Neck Farmers' Club, of Queen Anne County, Maryland
- Whitney, Milton
- Farmers' bulletin (United States. Dept. of Agriculture) ; no. 257 1906
- Soil fertility, soil fertility, plant physiology, fertilizer requirements, paraffin wax, tillage, liming, soil management, and methodology
- 39 p. : ill. ; 23 cm.
- U.S. Dept. of Agriculture
- Organic Roots Collection