College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China.
Bull Environ Contam Toxicol. 2012 Jul;89(1):113-8. doi: 10.1007/s00128-012-0639-2. Epub 2012 Apr 19.
An investigation about metal contamination on agricultural soils was carried out near an abandoned copper mine in eastern China. Results showed the average concentrations of Cu, Pb, Zn and Cd in the 155 soil samples were 147, 53.8, 158, 0.32 mg kg(-1) respectively, which were 4.6-, 2.2-, 2-, 1.7-fold of the corresponding background value. According to the Chinese Farmland Environmental Quality Evaluation Standards for Edible Agricultural Products, it was found 18.4 % of the soils belonged to heavily and moderately contaminated soils.
在中国东部的一个废弃铜矿附近进行了一项关于农业土壤金属污染的调查。结果表明,在 155 个土壤样本中,Cu、Pb、Zn 和 Cd 的平均浓度分别为 147、53.8、158 和 0.32 mg kg(-1),分别是相应背景值的 4.6、2.2、2 和 1.7 倍。根据中国《食用农产品产地环境质量评价标准》,发现有 18.4%的土壤属于重度和中度污染土壤。