Heavy metals pollution of Paeonia ostii land at copper-tailings reservoir of Tongling city:A preliminary study

Abstract

Abstract: The study on the soil and Paeonia ostii Cu,Cd,Pb and Zn at the copper-tailings reservoir of Tongling City,Anhui Province showed that the forms and contents of test heavy metals were differed in Paeonia ostii-planted and control soils.The Cu and Cd contents in control soil were 4.36～14.43 and 3.67～3.86 times of the 2nd national standard for soil environmental quality,respectively,and the composite pollution index of the heavy metals in Paeonia ostii-planted soil was up to 5.607.The heavy metals content in Paeonia ostii leaf and root-stem was in order of Cu>Zn>Pb>Cd,and that in Paeonia ostii stem and root- peel was Zn>Cu>Pb>Cd.The comparison of the heavy metals contents in Paeonia ostii with the criterion about herbal medicine showed that the Cu content in Paeonia ostii was1. 43～2.53 times of the criterion,and the Cd content was1. 17～3.17 times of the criterion.

Key words: Paeonia ostii, Heavy metal, Copper-tailings

CLC Number:

X173

SHEN Zhangjun, WANG Youbao, WANG Guanglin, YAN Mi, LI Zheng, LIU Dengyi . Heavy metals pollution of Paeonia ostii land at copper-tailings reservoir of Tongling city:A preliminary study[J]. Chinese Journal of Applied Ecology, 2005, 16(4): 673-677.

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