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Pollution of soil environment has become a se-rious problem in many countries, including China.Heavy metal (HM) and polycyclic aromatic hydro-carbons (PAHs) are two of the most abundant andpotentially harmful pollutants found in most pol-luted soil[1, 2]. Besides their natural occurrence,heavy metals may enter the soil environmentthrough anthropogenic activities, such as mining,smelting, sewage sludge disposal, application ofpesticides and inorganic fertilizers, and atmospher-ic deposition. …  相似文献   
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