Degradation of benzo[a]pyrene in an experimentally contaminated paddy soil by vetiver grass (Vetiveria zizanioides)

被引：16
|
作者：
Li, H
Luo, YM [1 ]
Song, J
Wu, LH
Christie, P
机构：
[1] Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Peoples R China
[2] Queens Univ Belfast, Dept Agr & Environm Sci, Belfast BT9 5PX, Antrim, North Ireland
[3] Shanxi Univ, Coll Environm & Resource Sci, Taiyuan 030006, Peoples R China
来源：
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH | 2006年 / 28卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
B[a]P; phytoremediation; polyaromatic hydrocarbons;
D O I：
10.1007/s10653-005-9029-6
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
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.
引用
收藏
页码：183 / 188
页数：6
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