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Phytoextraction of lead, zinc and cadmium from soil by selected plants

Author

Listed:
  • B. Kos

    (Biotechnical Faculty, University of Ljubljana, Slovenia)

  • H. Grčman

    (Biotechnical Faculty, University of Ljubljana, Slovenia)

  • D. Leštan

    (Biotechnical Faculty, University of Ljubljana, Slovenia)

Abstract

The Pb, Zn and Cd phytoextraction potential of 14 different plants was assessed in a chelate induced phytoextraction experiment. In the used soil heavy metals mainly reside in carbonate, organic matter, and residual soil fractions. The addition of a chelate, 5 mmol/kg ethylenediamine-tetracetic acid (EDTA), increased the proportion of phytoavailable Pb, Zn and Cd in the soil (dissolved in soil solution and exchangeable from soil colloids), and also their uptake by tested plants up to 48 times (Sinapis alba), 4.6 times (Raphanus sativus oleiformis), and 3.3 times (Amaranthus spp.), respectively, compared to the control. The biodegradable chelate ethylenediamine-disuccinic acid (EDDS) was generally less effective (tested on a selection of 4 plant species), except for Cannabis sativa. In a treatment with 10 mmol/kg EDDS, Pb, Zn and Cd concentrations of 1053 ± 125, 211 ± 16 and 5.4 ± 0.8 mg/kg, respectively, were measured in the biomass of Cannabis sativa and were 105, 2.3 and 31.7 times higher, respectively, than in the control treatment. The calculated Pb phytoextraction potential of Cannabis sativa amounted to 26.3 kg/ha.

Suggested Citation

  • B. Kos & H. Grčman & D. Leštan, 2003. "Phytoextraction of lead, zinc and cadmium from soil by selected plants," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 49(12), pages 548-553.
    • Handle: RePEc:caa:jnlpse:v:49:y:2003:i:12:id:4192-pse
    DOI: 10.17221/4192-PSE
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    Cited by:

    1. Michaela LUDVÍKOVÁ & Miroslav GRIGA, 2015. "Transgenic flax/linseed (Linum usitatissimum L.) - expectations and reality," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 51(4), pages 123-141.
    2. Sibel Boysan Canal & Mehmet Ali Bozkurt & Hilal Yílmaz, 2023. "Humic acid ameliorates phytoremediation, plant growth and antioxidative enzymes in forage turnip (Brassica rapa L.)," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 69(12), pages 567-576.
    3. So. Asadi Kapourchal & Sa. Asadi Kapourchal & E. Pazira & M. Homaee, 2009. "Assessing radish (Raphanus sativus L.) potential for phytoremediation of lead-polluted soils resulting from air pollution," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 55(5), pages 202-206.

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