1. Occurrence and Persistence of Insecticide
Occurrence and Persistence of Insecticide Residues in Environment
Residues in Environment
Atmosphere : aerial spraying of crops and forests
Soil :
- Direct application ( kill soil born insect)
- Spray fall out
(50% of pesticide applied to crop foliage reach the soil/ spray drift /
run off from the leaves/ leaves fall to the ground)
- Crop and animal remains
- rainfall and dust
Water resource : (ground water & river) run off , leaching