Petroleum Oils and Oil Emulsions as Insecticides, and Their Use Against the San Jose Scale on Peach Trees in the South


Issue Date:
1931-07
Publication Type:
Report
PURL Identifier:
http://purl.umn.edu/163084
Total Pages:
53
Series Statement:
Technical Bulletin
No. 253




 Record created 2017-04-01, last modified 2017-08-27

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