• A Study on the Application of Enhanced Phytoremediation with Plant Growth Promoting Rhizobacteria for Zn Contaminated Rice Paddy Soil
  • Kim, Tae-Sung;Choi, Sang-Il;Yang, Jae-Kyu;Lee, In-Sook;Bae, Bum-Han;
  • Department of Environmental Engineering, Kwangwoon University;Department of Environmental Engineering, Kwangwoon University;Division of General Education, Kwangwoon University;Department of EcoScience, Ewha Womans University;Department of Civil and Environmental Engineering, Kyungwon University;
  • 식물성장근권 미생물 적용에 의한 Zn 오염 논토양 식물상정화증진기법 적용에 관한 연구
  • 김태성;최상일;양재규;이인숙;배범한;
  • 광운대학교 환경공학과;광운대학교 환경공학과;광운대학교 교양학부;이화여자대학교 에코과학부;경원대학교 토목환경공학과;
Abstract
The contaminated soils near abandoned mine area can threaten human's health and natural ecosystems through multiple pathways. Remediation of contaminated soil using physicochemical technologies are expensive and destructive of soil environments. On the other hand, environmentally friendly approach that maximize biological remediation, that is, phytoremediation, attracts attention as a low carbon green growth technology. This research is a field demonstration study, focused on the enhanced phytoremediation by bioaugmenting PGPR(Plant Growth Promoting Rhizobacteria)that is helpful on the growth of and heavy metal removal by Echinochloa frumentacea, at a Zn contaminated paddy soil near SamBo mine at Hwasung, Kyunggi. The results showed that the zinc removal by the plant with PSM(Phosphate Solubilizing Bacteria), a kind of PGPR, was three times higher than that by the control. The results are valuable as it is a result from the field-scale technology demonstration. The results also implies that application of PGPR can enhance heavy metal removal from contaminated soil in full scale phytoremediation using Echinochloa frumentacea.

Keywords: Bioaugmentation;Echinochloa frumentacea;Paddy soil;Plant Growth Promoting Rhizobacteria;Phytoremediation;Zn;

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This Article

  • 2010; 15(3): 15-26

    Published on Jun 30, 2010

  • Received on Sep 11, 2009
  • Revised on Sep 22, 2009
  • Accepted on Jan 18, 2010