辽阳蔬菜种植畜禽养殖地土壤重金属污染及评价

为了解辽阳市蔬菜种植和畜禽养殖基地土壤中重金属状况,依据《环境监测分析方法》、《土壤元素的近代分析方法》的要求土壤采样分析。并根据土壤环境质量标准(GB15618-1995),采用Harkanson"潜在生态危害指数法"对土壤中重金属进行生态风险评价。结果表明,在蔬菜种植和畜禽养殖基地所选典型采样点中,重金属含量无超标现象,均属安全范围,对人体及生物无危害。

Heavy Metal Pollution in Soil of Vegetable Planting and Livestock and Poultry Breeding in Liaoyang and Its Evaluation

This paper investigates heavy metal condition in the soil of vegetables planting and livestock and poultry breeding base in Liaoyang. According to the "Methods for Environmental Monitoring"and " Modern Analyses Method of Soil Elements " ,it takes the soil samples and analyses. On the basis of the soil environment quality standard (GB 15618-1995 ), using Harkanson - " the potential ecological risk index method " to evaluate heavy metal's ecological risk in soil. The results show that, in the vegetable planting and livestock and poultry breeding base, heavy metal contents do not exceed the standard, which is safe and has no harm to human and life.