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The Hessian fly in California


Author:
Packard, C. M.
Source:
Technical bulletin (United States. Dept. of Agriculture) ; no. 81 1928
Year:
1928
Subject:
Hessian flies and Wheat -- Diseases and pests
Format:
26 p. : ill. ; 23 cm.
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection