Phytoremediation of Gold Mine Tailings Amended with Iron‐Coated and Uncoated Rice Husk Ash by Vetiver Grass (Vetiveria zizanioides (Linn.) Nash)
This study was undertaken to determine the effects of rice husk ash (RHA) and iron‐coated
rice husk ash (Fe‐RHA) on phytoavailability of As, Cd, Cr, Cu, Mn, Pb, and Zn to vetiver
grass grown in gold mine tailings amended with either RHA or Fe‐RHA at 0%, 5%, 10%,
and 20%(w/w). The results showed that the RHA amended tailings recorded higher
concentration of As in the shoot and the root and higher concentration of Cr and Mn in the
root compared to the untreated tailings which was used as a control. The biological …
rice husk ash (Fe‐RHA) on phytoavailability of As, Cd, Cr, Cu, Mn, Pb, and Zn to vetiver
grass grown in gold mine tailings amended with either RHA or Fe‐RHA at 0%, 5%, 10%,
and 20%(w/w). The results showed that the RHA amended tailings recorded higher
concentration of As in the shoot and the root and higher concentration of Cr and Mn in the
root compared to the untreated tailings which was used as a control. The biological …
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