Transformation of added chromium (III) and chromium (VI) in flooded soils amended with iron, manganese and glucose

The study of phytoremediation potential of Helianthus annuus L was conducted in the sewage-irrigated Indo-Gangetic alluvial soils, India. Calcium @ 1.0% and Zn @ 40 ppm enhanced the yield of H. annuus L and minimized the toxicity of Cr in the investigated soils. The study indicated that H. annuus L is highly sensitive to Cr and Zn in terms of metallic pollution; and may be used as indicator plant. For Cr-phytoremediation, humic acid treatment @ 500 mL/acre induced the Cr-accumulation in roots (p < 0.007) and in shoots (p < 0.015), which was recorded 3.21 and 3.16 mg/kg in root and shoot of H. annuus L, respectively. We suggest that H. annuus L fulfils the necessary condition for efficiently increasing species bioaccumulation after soil treatment with humic acid in Cr-polluted sewage-irrigated soils through soil- plant rhizospheric processes.

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PHYTOREMEDIATION POTENTIAL OFHELIANTHUS ANNUUSL IN SEWAGE-IRRIGATED INDO-GANGETIC ALLUVIAL SOILS

Mani

Sharma

Kumar

et al. 2012

International Journal of Phytoremediation

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Transformation of added chromium (III) and chromium (VI) in flooded soils amended with iron, manganese and glucose

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PHYTOREMEDIATION POTENTIAL OFHELIANTHUS ANNUUSL IN SEWAGE-IRRIGATED INDO-GANGETIC ALLUVIAL SOILS

PHYTOREMEDIATION POTENTIAL OFHELIANTHUS ANNUUSL IN SEWAGE-IRRIGATED INDO-GANGETIC ALLUVIAL SOILS

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