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Lubricating-oil sprays for use on dormant fruit trees
- Quaintance, A. L., Newcomer, E. J., and Porter, B. A.
- Farmers' bulletin / United States Department of Agriculture ; no. 1676 1931
- Fruit -- Diseases and pests -- Control, Spraying and dusting in agriculture, equipment, volatilization, emulsions, leafrollers, plant damage, fruit trees, orchards, insecticidal soaps, viscosity, ingredients, recipes, dormancy, horticultural oils, lubricants, mites, Aphidoidea, scale insects, physicochemical properties, and Cacopsylla pyricola
- U.S. Dept. of Agriculture
- Organic Roots Collection