Journal
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
Volume 28, Issue 1-2, Pages 183-188Publisher
SPRINGER
DOI: 10.1007/s10653-005-9029-6
Keywords
B[a]P; phytoremediation; polyaromatic hydrocarbons
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A pot experiment was conducted to study the effect of growing vetiver grass on the biodegradation of benzo[a]pyrene (B[a]P) under glasshouse conditions. Plant biomass, microbial biomass C and degradation of B[a]P were determined. B[a]P disappeared faster in the plant treatments than in unplanted controls. Disappearance of B[a]P was accompanied by an increase in soil microbial biomass C. Vetiver grass may promote the biodegradation of B[a]P under flooded conditions by plant roots by stimulating the microbial biomass. Microbial biomass was the main factor affecting dissipation of B[a]P under flooded conditions.
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