Abstract
The surface soil samples (0-15 cm) were found contaminated with different pesticides in vegetable growing areas in Bihar. Total twenty samples were analysed in which HCH and endosulfan were found as the major contaminants of soil. Nine samples were found contaminated with HCH (ND-0.055mg kg-1) and ten with endosulfan (ND-0.078mg kg-1). DDT residues were detected only in three soil samples. Among the organophosphate pesticide, residues of quinalphos (ND-0.062mg kg-1) and chlorpyriphos (ND-0.037mg kg-1) were detected in five samples each while dimethoate present in only one sample. Residues of cypermethrin, fenvalerate and deltamethrin were also detected in four, three and one soil sample, respectively.
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