Phytoextraction of Cu, Zn, and Pb Enhanced by Chelators with Vetiver (<i>Vetiveria zizanioides</i>): Hydroponic and Pot Experiments

<table>Chemical bond distribution results of (a) Cu, (b) Zn, and (c) Pb of soil in sequential extraction experiment.</table>

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Figure 4: Phytoextraction of Cu, Zn, and Pb Enhanced by Chelators with Vetiver (<i>Vetiveria zizanioides</i>): Hydroponic and Pot Experiments 