Organic pollutants can be taken up by plants and degraded by plant metabolic activities.
The action of bacteria associated with plant roots may be useful in the control of pollutants.
Research into phytoremediation has intensified since the early 1990s.
Studies at the University of Washington have led the way in understanding plant activities against important toxic compounds such as trichloroethylene (number one on the Superfund list of prevalent groundwater pollutants) and carbon tetrachloride.
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