How insecticides enter the environment

The insecticides enter the environment mainly by air, water, and soil. The insecticide enters the air by spray drift or orvolatilizationn from soil or water. The entry of insecticide in water is mainly by surface run-off, sediment transport from treated soil, industrial and municipal wastes. The soil receives insecticides when insecticides are directly applied there, run-off from plants and dumping of empty container of insecticides.

Bioaccumulation of insecticides: The accumulation of insecticides in various biological systems is called bio-accumulation.