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Rhizoremediation of petroleum and heavy metal-contaminated soil using rhizobacteria and Zea mays

Title
Rhizoremediation of petroleum and heavy metal-contaminated soil using rhizobacteria and Zea mays
Authors
Hong S.H.Koo S.Y.Kim S.H.Ryu H.W.Lee I.S.Cho K.-S.
Ewha Authors
이인숙조경숙
SCOPUS Author ID
이인숙scopusscopus; 조경숙scopus
Issue Date
2010
Journal Title
Korean Journal of Microbiology and Biotechnology
ISSN
1598-642XJCR Link
Citation
vol. 38, no. 3, pp. 329 - 334
Indexed
SCOPUS; KCI scopus
Abstract
In this study, the rhizoremediation of petroleum and heavy metal-contaminated soil was characterized employing Zea mays and two plant-growth promoting rhizobacteria, Gordonia sp. S2RP-17 and Serratia sp. SY5 which have petroleum-degrading activity and heavy metal-resistance, respectively. After 51 days, the average dry weights of Zea mays' root without and with the inoculation of rhizobacteria were 1.9±0.2 and 5.6±0.7 g, respectively. Compared with initial TPH concentration in soil (21,576±3,426 mg-TPH·kg-dry soil -1), the residual TPH concentrations were 220±98 mg-TPH·kg-dry soil -1 in soil planted with Zea mays, and 20±41 mg-TPH·kg-dry soil -1 in soil planted with Zea mays and inoculated with rhizobacteria. These results indicated that the inoculation of S2RP-17 and SY5 could promote TPH removability in soil as well as the growth of Zea mays' root. There was little positive effect of the rhizobacteria inoculation on the removability of heavy metal such as Cu, Cd and Pb in soil planted with Zea mays.
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자연과학대학 > 생명과학전공 > Journal papers
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