喀什市不同类型农田土壤重金属铜、锌、汞的分析

Analysis of Heavy Metals Cu,Zn and Hg in Different Types of Farmland Soils of Kashgar

以田间采样和实验室内分析相结合的方式对喀什市不同类型农田土壤中重金属(铜、锌、汞)情况进行调查和分析研究,结果表明,喀什市农田土壤中重金属铜的含量为25.1 mg/kg,锌的含量为65.4 mg/kg,汞的含量为0.02 mg/kg,含量均在国家土壤质量标准范围之内。通过单因子指数与综合因子指数综合评价分析,喀什市农田土壤整体质量情况良好,无铜、锌、汞重金属污染。

Several heavy metals in dif- ferent types of farmland soils of Kashi City were investigated and analyzed by the combination of field sampling and laboratory analysis. The results showed that the contents of heavy metals Cu, Zn and Hg were 25.1, 65.4, 0.02 mg/kg, respectively. The concentrations of heavy metals Cu, Zn and Hg were all within the national soil quality standards. Through comprehensive evaluation anal- ysis of single factor index and compre- hensive factor index, the farmland soil quality of Kashgar was good, there was no heavy metal pollution caused by Cu, Zn, Hg.