The cotton bollworm : some observations and results of field experiments in 1904
- Source:
- Farmers' bulletin (United States. Dept. of Agriculture) ; no. 212 1905
- Year:
- 1905
- Subject:
- Heliothis armigera, Cotton -- Diseases and pests, insect pests, cultural control, spraying, pesticides, and trap crops
- Format:
- 32 p. : ill., 1 map ; 23 cm.
- Language:
- English
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection