Abstract
Two heavy metal-resistant rhizobacteria bacteria (Brevundimonas diminuta SF-S1-5 and Alcaligenes faecalis SF-S1-60) were bioaugmented in sand and also spiked with 100 ppm Pb and 1 ppm Hg and the removal of these metals was monitored using plant, Scirpus mucronatus. The highest accumulation of Pb and Hg were obtained in the root of S. mucronatus inoculated with A. faecalis at day 42 and 28, respectively. Plant inoculated with A. faecalis also showed the highest bioaccumulation coefficient and bioconcentration factor values > 1 compared to plant inoculated with B. diminuta and control.
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