Persistence of Insecticide Residues in Soil
Occurrence and Persistence of Insecticide Residues in Environment
Insecticide Residues : substance or mixture of substance in/on
soil resulting from the use of insecticide
(includes derivatives)
- conversion and degradation products
- reaction products
- metabolites
Persistence : remaining, staying in existence
Half life : time required for one half of pesticide to disappear