1. Methods of pest control
... insects, an important food source for fish, have been drastically reduced after forest and agricultural spraying. Under some conditions, the spraying of insecticides such as deltamethrin and endosulfan may result directly in the death of fish. When herbicides enter watercourses they may also affect vital plant life in aquatic systems. Groundwater moves slowly, and once groundwater supplies are ... The most widely used microbial pesticides are subspecies and strains of Bacillus thuringiensis, or Bt. Each strain of this bacterium produces a different mix of proteins, and specifically kil...
- Word Count: 2580
- Approx Pages: 10
- Grade Level: Undergraduate