Abstract
Plant-assisted bioremediation (phytoremediation) is a promising technique for in-situ remediation of contaminated soils. Enhancement of phytoremediation processes requires a sound understanding of the complex interactions in the rhizosphere. This work presents a Pot experiment was conducted under green house conditions to test the effect of fungal inoculation on remediating heavy metal (HM) contaminated soil treated with sewage effluent for several years. Canola crop was used as accumulator plants. Results demonstrated that the dry matter yield of tested crops were significantly higher in soil irrigated for 50 years with sewage effluent than that in 20 years sewage effluent irrigated soil. Metal uptake and accumulation in different plant parts (shoot and root) was enhanced after inoculation with Aspergillus parasiticus (F1) and Fusarium oxysporum (F2). The reate of HM accumulation as higher in in soil treated irrigated sewage effluent for 50 years than that in 20 years sewage irrigated soil.
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