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Evaluation of the phytoremediation potential of Arundo donax L. for nickel-contaminated soil

Abstract : This study investigates the accumulation and distribution of nickel in Arundo donax L. parts to assess the potential use of this plant in phytoremediation of Ni-contaminated soils. The effect of ethylene diamine tetra-acetic acid (EDTA) and nutrient solution containing NPK on the plant was proped. A 35-day pot experiment was performed in the laboratory and the pots were irrigated with Ni-contaminated solution combined or not with EDTA and NPK. The growth of plants was evaluated at the end of the experiment. The accumulation of Ni was analyzed by atomic absorption spectroscopy (AAS). The obtained results indicate that the plant was able to survive with high Ni content. The growth and the concentrations of Ni in the plant tissues were less affected. In the absence of the amendments, Ni was accumulated in the stems and leaves. However, the addition of NPK significantly reduced Ni concentration in the stems and leaves. The application of EDTA enhanced Ni uptake in roots. The translocation factor (TF) was greater than 1, which categorizes A. donax L. as a great candidate for Ni phytoextraction. A. donax L. is suitable for phytoremediation of Ni. This investigation contributes to the studies on the potential of phytoremediation technologies in Algeria.
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https://hal-u-picardie.archives-ouvertes.fr/hal-03593621
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Soumis le : mercredi 2 mars 2022 - 10:35:42
Dernière modification le : jeudi 3 mars 2022 - 03:00:17

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Wafa Atma, Mohammed Larouci, Boumedienne Meddah, Kheloufi Benabdeli, Pascal Sonnet. Evaluation of the phytoremediation potential of Arundo donax L. for nickel-contaminated soil. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION, 2017, 19 (4), pp.377-386. ⟨10.1080/15226514.2016.1225291⟩. ⟨hal-03593621⟩

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