Enhanced rhizodegradation of polycyclic aromatic hydrocarbons in corn straw-amended soil related to changing of bacterial community and functional gene expression
Abstract:Root exudates can stimulate microbial degradation in rhizosphere, but it remains unclear whether the rhizodegradation of polycyclic aromatic hydrocarbons (PAHs) occurs in corn straw-amended soil. Hence, in the present study, either citric acid, a common low molecular weight organic acid in the root exudates, or corn straw was added into aged PAHs-contaminated soil to investigate their effectiveness in the biodegradation of PAHs. The present study showed that either corn straw (Y) or combined application of cor… Show more
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