宁夏枸杞产区土壤中有机磷农药残留现状分析

对宁夏主要枸杞产区中宁县土壤样品中的5种近年常用有机磷农药的残留量进行了检测和分析。结果表明：5种有机磷农药中毒死蜱的检出率达41.67%，检出残留量均大于等于12μg/kg,最大残留量为54μg/kg；对硫磷的检出率为8.33%，其余三种有机磷农药均未检出。枸杞产区土壤中有机磷农药残留对枸杞安全生产和人体健康存在潜在威胁。对比可知，不同土壤类型的土样中农药残留量无差异。

Study on the Residues of Organophosphorus Pesticide in the Soil of Chinese Wolfberry Produce District in Ningxia

In this study,the residues of the 5 kinds of organophosphorus pesticides usually using in Chinese wolfberry orchard in recent years in soil samples of the Chinese wolfberry orchard were detected and analyzed in Zhongning county of Ningxia autonomous region.The results showed that the detection rate of chlorpyrifos were 41.67% and the residues was greater than or equal to 12μg/kg and the max residues was 54μg/kg.The detection rate of parathion were 8.33% and the others hadn’t been checked out .Residual organophosphorus pesticide in soil were potential threat to safe production of wolfberry and human health in chinese wolfberry orchard.The residues of organophosphorus pesticide in different soil types hadn’t evident difference.