【摘要】 以橡胶林地土壤为研究对象,监测土壤中铜、锌、镍、铅、镉、铬共6种重金属元素。结果表明土壤中仅重金属镍含量超标,具有污染性,其余重金属元素含量均符合我国土壤环境质量标准的旱地二级标准。瑞丽农场污染程度为警戒级,污染水平属于尚清洁,盈江农场、畹町农场、莫里农场以及遮放农场等4个农场的综合污染程度为轻度污染。更多还原

【Abstract】 Six soil heavy metals including Cu, Zn, Ni, Pb, Cd and Cr in rubber plantations were monitored in Dehong regions.The results showed that only the content of nickel in the soil exceeded the national standard, which was polluting, and that of the other metals met the secondary standard of China`s Soil Environmental Quality Standard(GB 15618-1995). The pollution degree of Ruili farm is at alert level, but is still clean. The comprehensive pollution degrees of Yingjiang farm, Wanding farm, Moli farm and Zhefang farm were mild.更多还原