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<p>Chromium (Cr) is a heavy metal widely used in wooden, tannery, and metal industries. A significant portion of unused Cr is discharged into waste and reaches to the agricultural fields. Long-term application of Cr containing effluent generated from the tannery industries is this study’s key concern. These effluents are discharged into the common sewage carrying channels due lack of their appropriate treatment and disposal, and reach human bodies <i>via</i> food chain contamination grown on the Cr affected agricultural land. To immobilize Cr in soil and reduce its uptake by wheat crops, organic matter such as farmyard manure (FYM) and pressmud (PM) can be applied. These organic amendments help in binding Cr in the soil, limiting it’s availability for plant uptake; and lowering it’s concentration in the wheat crop. In this experiment, we compared the chemical fertilizer alone and in combination with organic sources of plant nutrients for their efficacy in Cr immobilization. Treatments comprised of control (RDF), FYM (5, 10 t/ha), PM (5, 10 t/ha) with four replications were applied in tannery irrigated fields. Results indicated that wheat crop yield enhanced by 22.5 to 38.23% with FYM, whereas, PM enhanced it by 17.6 to 34.6%. Cr concentration reduction in wheat crop was observed upto 0.77&#xa0;µg/g in FYM and 1.47&#xa0;µg/g in PM applied plots with 10 t/ha over control in wheat crop. FYM reduced Cr uptake to a greater magnitude than PM. Higher levels of both FYM and PM significantly reduced the Cr in wheat crop. This study highlighted the potential of these organic amendments in minimizing the Cr toxicity in tannery-irrigated fields.</p>

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Immobilization of Chromium Concentration in Wheat Crop by the Application of Sugarcane Industrial Waste

  • 期刊论文

  • 发表日期：

    2025年1月27日

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  • M. L. Dotaniya,
  • S. Rajendiran,
  • J. K. Saha,
  • C. K. Dotaniya,
  • Sandeep Mohbe

摘要

Chromium (Cr) is a heavy metal widely used in wooden, tannery, and metal industries. A significant portion of unused Cr is discharged into waste and reaches to the agricultural fields. Long-term application of Cr containing effluent generated from the tannery industries is this study’s key concern. These effluents are discharged into the common sewage carrying channels due lack of their appropriate treatment and disposal, and reach human bodies via food chain contamination grown on the Cr affected agricultural land. To immobilize Cr in soil and reduce its uptake by wheat crops, organic matter such as farmyard manure (FYM) and pressmud (PM) can be applied. These organic amendments help in binding Cr in the soil, limiting it’s availability for plant uptake; and lowering it’s concentration in the wheat crop. In this experiment, we compared the chemical fertilizer alone and in combination with organic sources of plant nutrients for their efficacy in Cr immobilization. Treatments comprised of control (RDF), FYM (5, 10 t/ha), PM (5, 10 t/ha) with four replications were applied in tannery irrigated fields. Results indicated that wheat crop yield enhanced by 22.5 to 38.23% with FYM, whereas, PM enhanced it by 17.6 to 34.6%. Cr concentration reduction in wheat crop was observed upto 0.77 µg/g in FYM and 1.47 µg/g in PM applied plots with 10 t/ha over control in wheat crop. FYM reduced Cr uptake to a greater magnitude than PM. Higher levels of both FYM and PM significantly reduced the Cr in wheat crop. This study highlighted the potential of these organic amendments in minimizing the Cr toxicity in tannery-irrigated fields.