AI Article Synopsis
- * Results showed that panchakavya treatment reduced the water-soluble fraction of lead by 73%, and improved plant growth in zinc-contaminated soil, leading to higher zinc accumulation in the plants.
- * Compared to control plants, those treated with panchakavya had significantly lower lead accumulation, suggesting that this organic formulation may boost the effectiveness of phytoremediation, particularly for zinc.
Article Abstract
Chelate-assisted phytoextraction is proposed to be an effective approach for the removal of metals from contaminated soil. Organic chelators can improve this biological technique by increasing metal solubility. The aim of this study was to investigate the possibility of improving the phytoextraction of lead (Pb) and zinc (Zn) by the application of panchakavya, a traditional Indian organic formulation. Panchakavya was prepared by fermentation process in open environment using cow dunk, cow ghee, cow urine, cow milk, cow curd, tender coconut water, crude jaggery, and mashed bananas. Soil metal fraction studies indicate that the panchakavya treatment decreased (73%) water-soluble fraction of Pb. Plant growth analysis indicated the application of panchakavya to increase Zea mays fresh root weight, shoot biomass and superoxide dismutase level in Zn contaminated soil. Similarly, a significant increase in the Zn accumulation (12% in shoots and 9% in roots) was observed in panchakavya treated plants. However, when compared to control plants, panchakavya treatment significantly decreased (32% in shoots and 37% in roots) Pb accumulation in Z. mays. Obtained results point out that panchakavya could potentially increase the phytoremediation of Zn in Z. mays.
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| http://dx.doi.org/10.1016/j.chemosphere.2019.125810 | DOI Listing |
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Article Synopsis
- * Results showed that panchakavya treatment reduced the water-soluble fraction of lead by 73%, and improved plant growth in zinc-contaminated soil, leading to higher zinc accumulation in the plants.
- * Compared to control plants, those treated with panchakavya had significantly lower lead accumulation, suggesting that this organic formulation may boost the effectiveness of phytoremediation, particularly for zinc.
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