济宁地区土壤中有机磷农药残留现状调查

Residues of organophosphorus pesticides in soil of Jining

2011年8月至9月在济宁市12个县市区共设50个土壤点位,对土壤样品中的5种近年常用有机磷农药的残留量进行了气相色谱-火焰光度检测器(GC-FPD)检测和分析。结果表明,5种农药中甲基对硫磷、丙溴磷、甲胺磷均未检出,敌敌畏和乐果在部分蔬菜、小麦等农产品中有不同程度的检出。

The soil samples were collected from Jining areas in August-- September 20ll in this study. The res- idues of the 5 kinds of organophosphorus pesticides usually using in China in recent years in soil samples were de- tected and analyzed to know the organophosphorus pesticides residue in Jining. Methods The 50 soil samples were detected and analyzed by GC--FPD. Results Methyl parathion, Profenofos, Methamidophos hadn＇t been checked out, and dichlorvos and dimethoate had been checked out in vegetables and wheats. Conclusion The peasants should use pesticide reasonably and should be helped with professional knowledge ,otherwise it will cause the serious con- sequence of exceeding the standard of pesticide residues.