Petroleum oils and oil emulsions as insecticides, and their use against the San Jose scale on peach trees in the south - NALDC

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Petroleum oils and oil emulsions as insecticides, and their use against the San Jose scale on peach trees in the south

Author:: Swingle, H. S. and Snapp, Oliver I.
Source:: Technical bulletin (United States. Dept. of Agriculture) ; no. 253 1931
Year:: 1931
Subject:: Insecticides, Lubrication and lubricants, Petroleum, Emulsions, and San José scale
Format:: 48 p., 2 p. of plates : ill. ; 23 cm.
Publisher:: U.S. Dept. of Agriculture
Collection:: Organic Roots Collection