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The bollworm or corn earworm

Author(s):
Bishopp, F. C. (Fred Corry) , 1884-1970
Subject(s):
life cycle (organisms) , insect pests , seasonal development , tillage , control methods , cultural control , spraying , trap crops , Helicoverpa zea , Heliothis armigera Control
Format:
16 p. : ill., 1 map ; 23 cm.
Language:
English
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection
Series:
Farmers' bulletin
File:
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