Grasshoppers and their control
- Source:
- Farmers' bulletin / United States Department of Agriculture ; no. 1828 1939
- Year:
- 1939
- Subject:
- Grasshoppers, Locusts -- Control, crop damage, crop losses, seasonal growth, weather, natural enemies, biological control agents, insect diseases, population size, insect control, insect attractants, baiting, poisoning of animal pests, tillage, sowing, and direct seeding
- Format:
- 38 p. : ill., maps ; 23 cm.
- Language:
- English
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection