Transformation of copper fractions in rhizosphere soil of two dominant plants in a deserted land of copper tailings.
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.
Wang
Youbao
Y
College of Life Science, Anhui Normal University, No. 1 Beijing East Road, 241000 Wuhu, Anhui Province, People's Republic of China. wybzl@tom.com
Zhang
Li
L
Huang
Yongjie
Y
Yao
Jing
J
Yang
Hongfei
H
D001673:Biodegradation, Environmental; D002681:China; D003300:Copper / Q000378:metabolism*; D031751:Festuca / Q000378:metabolism*; D007220:Industrial Waste; D008906:Mining; D009942:Organometallic Compounds / Q000378:metabolism; D018517:Plant Roots / Q000378:metabolism*; D012989:Soil Pollutants / Q000378:metabolism*; D029921:Trifolium / Q000378:metabolism*
D007220:Industrial Waste; D009942:Organometallic Compounds; D012989:Soil Pollutants; D003300:Copper