Sulfur-aided phytoextraction of Cd and Zn by Salix smithiana combined with in situ metal immobilization by gravel sludge and red mud.

@article{Iqbal2012SulfuraidedPO,
  title={Sulfur-aided phytoextraction of Cd and Zn by Salix smithiana combined with in situ metal immobilization by gravel sludge and red mud.},
  author={M. Javed Iqbal and Markus Puschenreiter and Eva Oburger and Jakob Santner and Walter W. Wenzel},
  journal={Environmental pollution},
  year={2012},
  volume={170},
  pages={222-31}
}
As phytoextraction implementation may be limited by metal toxicity and leaching, we investigated the idea of in situ metal immobilization in bulk soil, while increasing metal bioavailability in the rhizosphere. Salix smithiana was grown in a pot experiment on two Cd/Zn polluted soils. Treatments with or without willows included: no additives; gravel sludge + red mud kg(-1); acidification with S to pH 3.5; and metal immobilization combined with soil acidification. Salix smithiana removed up to 0… CONTINUE READING
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Cadmium and zinc accumulation in willow and poplar species grown on polluted soils

  • M. N. Dos Santos Utmazian, W. W. Wenzel
  • Journal of Plant Nutrition and Soil Science
  • 2007
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