This paper studied the transformation of copper fractions in rhizosphere and non-rhizosphere soils of Festuca arundinacea and Trifolium repens in deserted land of copper tailings. The results showed that the proportion of organic-bound or exchangeable contents to the total contents of copper in rhizosphere increased by 9.81 and 10.42%, while the contents of carbonate-bound or Fe–Mn oxides-bound decreased by 2.96 and 1.82%, respectively. The growth and absorption of F. arundinacea and T. repens accelerated the transformation of copper fractions in rhizosphere soils. The effect of root system of T. repens was prominently greater than that of F. arundinacea.
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The author acknowledges the financial support from the National Natural Science Foundation of China (No. 30470270), the Key Foundation of Education Department of Anhui Province (No. 2006KJ059A), the Foundation of the Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources in Anhui, the Key Laboratory of Biotic Environment and Ecological Safety in Anhui Province, and the Backbone Teachers in Colleges and Universities of Anhui Province.
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Wang, Y., Zhang, L., Huang, Y. et al. Transformation of Copper Fractions in Rhizosphere Soil of Two Dominant Plants in a Deserted Land of Copper Tailings. Bull Environ Contam Toxicol 82, 468–472 (2009). https://doi.org/10.1007/s00128-009-9639-2
- Copper tailings
- Festuca arundinacea
- Trifolium repens