The corn earworm : its ravages on field corn and suggestions for control
- Source:
- Farmers' bulletin (United States. Dept. of Agriculture) ; no. 1310 1923
- Year:
- 1923
- Subject:
- life cycle (organisms), Corn -- Diseases and pests, Heliothis zea -- Control, insect pests, seasonal development, tillage, control methods, cultural control, planting date, spraying, biological control, natural enemies, and Helicoverpa zea
- Format:
- 18 p. : ill. ; 23 cm.
- Language:
- English
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection