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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 JoseĢ scale
Format:
48 p., 2 p. of plates : ill. ; 23 cm.
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection