الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
– In the present study the fate and degradation rate of fenvalerate , deltamethrin and permethrin were investigated in both soil and aquatie environment .Three sets of experiments were carried out :
1- Behaviour of synthetic pyrethroids in soil
Adsorption of pyrethroids on different soils
Persistence and degradation of pyrethroids in soil under outdoor conditions.