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Rhizoremediation is an in-situ remediation approach involving microorganisms for the biodegradation of organic pollutants and various other contaminants in the root zone. Plant roots provide a rich niche for the microorganisms to grow at the expense of the root exudates and in turn microbes act as biocatalysts to remove the pollutants. The harmful pollutants such as: polycyclic aromatic hydrocarbons (PAHs)- pesticides, herbicides etc. are converted to degradable compounds, while heavy metals such as zinc, copper, lead, tin, cadmium etc. are transformed from one oxidation state or organic complex to another. | Rhizoremediation – Plant microbe interactions in the removal of pollutants