Chen, H.M., Zhang, C.R., Hen Huai-man and Zheng Chun-rong 2002. Study on combined pollution and interaction - focus and difficulties of re- search on agricultural environment protection. Agro-environmental Protection, 2: 192.
Dai, Q.Y., Cai, S.W. and Zhang, X.Y. 1998. Studies on the purification and accumulation of gold-bearing wastewater with Lolium multiflorum. Acta Scientiae Circumstantiae, 18( 5): 553- 556.
Hu, H.Y. 2008. The Summary and trend of heavy metals liquid waste processing technique. China Resources Comprehensive Utilization, 26(2): 22-25.
Iqbal, M. and Edyvean, R.G.J. 2004. Biosorption of lead, copper and zinc ions on loofa sponge immobilized biomass of Phanerochaete chrysosporium. Minerals Engineering, 17(2): 217-223.
Jiang, X.J., Luo, Y.M., Zhao, Q.G., Wu, S.C., Wu, L.H., Qiao, X.L. and Song, J. 2000. Study on phytoremediation of the polluted soil by heavy metal. The response of Brassica juncea on the plants polluted by cop- per, zinc, cadmium and lead. Soils, 2: 71-74.
Li, F., Liu, Y., Sun, W.F. and He, G. 2010. Certain pathways of heavy metals pollution treatment with utilization of microbiology. Biotech- nology Bulletin, 9: 48-50, 64.
Li, Y.X., Wang, Y., Zhang, J.W. and Chen, J.F. 2006. The discussion of the ecosystem restoration technology for urban riverway. Water Conserv- ancy Science and Technology and Economy, 12(11): 762-763, 766.
Liang, J.M., Lei, Z.X. and Chen, Z.Y. 2008. Study on the phytoremediation of Cu polluted water by Pistia stratiotes L. Journal of Zhongkai Uni- versity of Agriculture and Technology, 21(1): 29-33.
Liu, X.M., Wu, Q.T., and Li, B.T. 2003. Phytoremediation of heavy metal contaminated soil by hyper-accumulators: A Review of Researches in China and Abroad. Journal of Agro-environmental Science, 22(5): 636-640.
Liu, Y. 2010. Application prospect of hyperaccumulating plants in rem- edying the polluted soil by heavy metal. Hubei Agricultural Sciences, 49(6): 1492-1494.
Luo, L.J., Yu, D.H. and Zhang, P. 2007. Application of phytoremediation in surface water pollution control. Pollution Control Technology, 20(4): 74-77.
Ma, X.P., Fu, B.R., Li, F.Y., Ji, W.H., Zhang, W. and Yi, Y.L. 2005. Study of plant-microorganism combined bioremediation on contaminated soil. China Public Health, 21(5): 572-573.
Tang, J., Zhang, Y., Li, L.L. and Lin, K.C. 2008. Research advances in applying of Bacillus licheniformis. Hubei Agricultural Sciences, 47(3): 351-354.
Tang, S.R. 2006. Principle and Method on Phytoremediation for Polluted Environment. Science Press, Beijing.
Tang, Y.K., Wei, X.R., Lan, X.M. and Li, T. and Yao, Q.Y. 2010. Research on application potential of duckweed in plant recovery of Cd and Zn- polluted water body. Journal of Anhui Agricultural Sciences, 38(27):
15163-15165, 15182.
Tao, C., Deng, T.L. and Li, Z.Q. 2003. Study on the microbial treating heavy-metal-containing water. Chemical Engineer, 2: 46-51.
Wang, S.W. and Jiang, F.Y. 1993. Treatment Technology for Wastewater Containing Heavy Metal. Metallurgical Industry Press, Beijing.
Wen, Z.Y., Li, W., Dong, M., Gong, B. and Zhen, Y.N. 2012. Walking on water root of Beijing, looking for source of life - Investigating memoir of five water system in Beijing. Beijing Planning Review, 3: 156-163.
Xue, S.G., Chen, Y.X., Luo, Y.M., Roger, D.R. and Lin, Q. 2004. Manga- nese tolerance and hyperaccumulation of Phytolacca acinose Roxb. Acta Pedologica Sinica, 41(6): 889-895.
Zhang, X.H., Chen, J., Wang, D.Q., Hu, D., Huang, H.T., Liu, J., Xia, X., and Li, P. 2008. Accumulating characteristics of nickel by Leersia hexandra Swartz. Journal of Guilin University of Technology, 28(1): 98-101.
Zhang, X.H., Luo, Y.P., Huang, H.T., Liu, J., Zhu, Y.N. and Zeng, Q.F. 2006. Leersia hexandra Swartz: A newly discovered hygrophyte with chromium hyperaccumulator properties. Acta Ecologica Sinica, 26(3): 950-953.
Zhou, M., Liu, Y.G., Li, X., Xu, W.H., Pan, T., and Niu, Y.L. 2006. Kinetic studies on Cr6+ biosorption by Bacillus licheniformis. Chinese Journal of Applied and Environmental Biology, 12(1): 84-87.
Zhu, W.X. and Deng, Z.Z. 2012. Brief description the ecological restora- tion of urban segments of Yongding river water. Conservancy Sci- ence and Technology and Economy, 18(2): 19-21, 37.
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