Pot experiments were conducted for 60 days to investigate the phytoremediation potential of Cassia tora grown in different concentrations of chromium (Cr) rich overburden soil (OBS) of Sukinda Chromite Mine (10, 20, 30, 40, 50, 70, and 100%). To assess the phytoaccumulation ability of C. tora, the tolerance index (TI), bio‐concentration factor (BCF), transportation index (Ti), and total accumulation rate (TAR) were measured. The results showed that at 100% OBS the TI, BCF, Ti, and TAR of C. tora have 23.89, 0.28, 60.25, and 7.46, respectively. The Cr recovery from contaminated soil by C. tora was notable as reported to be 6.25, 11.6, 12.75, 14.2, 17.35, 22.65, and 17.7 mg/kg, respectively. The outcome indicated that C. tora is a potential phytoremediator of Cr from contaminated sites due to its high bioaccumulation activity, high tolerance, and Ti. Therefore, C. tora can be suggested for phytostabilization program to lessen toxic Cr from chromite overburden mining sites.

中文翻译：

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咖啡荚的植物修复潜力（决明子）：印度Sukinda铬铁矿覆盖层土壤中铬的原位衰减方法

进行了60天的盆栽实验，研究了Sukinda铬铁矿（10％，20％，30％，40％，50％，70％和100％）在不同浓度的富含铬（Cr）的表土（OBS）中生长的决明子的植物修复潜力。）。为了评估C. tora的植物积累能力，测量了耐受指数（TI），生物富集系数（BCF），运输指数（Ti）和总积累率（TAR）。结果表明，在100％OB的TI，BCF，Ti和的TAR C.明提分别具有23.89，0.28，60.25，和7.46。据报道，C。tora从污染土壤中回收的铬分别为6.25、11.6、12.75、14.2、17.35、22.65和17.7 mg / kg。结果表明C. tora由于其高的生物累积活性，高的耐受性和Ti，因此是来自受污染部位的Cr的潜在植物修复剂。因此，可建议使用C. tora进行植物稳定化计划，以减少铬铁矿覆盖矿山开采地点的有毒铬。