3Salt DE, Blaylock M, Nanda- Kumar PBA,et al. Phytoremediation: a noval strategy for the removal of toxic metals from the environment using plants[J]. Bio/Technol, 1995,13:468- 474.
4Chaney RL, Malik M, Li YM, et al. Phytoremediation of soil metals [J].Current Opinion in Biotechnology, 1997, 8:279- 284.
9[1]Acar YB and Alshawabkeh AN.1993.Principles of electrokinetic remediation.Environ Sci Technol,27(13):2638～2647
10[2]Baker AJM,Reeves RD and McGrath SP.1991. In situ deconta-mination of heavy metal polluted soils using crops of metal-accumulating plants - a feasibility study.In:Olfenbuttel RF ed.In situ Bioreclamation.Boston:Butterworth-Heinemann.539～544,600～605
