Assessing Bioavailability and Toxicity of Manganese in Trivalent Chromium Contaminated Soil Amended with Biochar and Calcium Carbonate Using Earthworms (Eisenia fetida).

Soil contaminated with trivalent chromium (Cr3+) induced manganese (Mn) mobilization potentially leading to increased ecological toxicity. Although Cr3+ is relatively immobile in soil, its interaction with soil minerals indirectly increases Mn bioava…

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