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Organic salts enhanced soil risk elements leaching and bioaccumulation in Pistia stratiotes

Author

Listed:
  • T. Veselý

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • P. Tlustoš

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • J. Száková

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

Abstract

It is well known that organic chelates have a positive influence on micronutrients mobilisation. The objective of the present study was to investigate the efficiency of organic acid salts to enhance mobility of Cd, Pb, and Zn in soil with subsequent bioaccumulation in water plant (P. stratiotes). Column flushing and pot rhizofiltration experiment were conducted. Statistical analyses ANOVA with Tukey's HSD test were used for results analysis. Results revealed statistically different efficiency of four tested organic acid salts (P < 0.05). Ammonium citrate was the most effective for release of all three risk elements. Cd, Pb, and Zn were mobilised by 45%, 321%, and 116% more than under 0.11 mol/L acetic acid (exchangeable form), respectively. Ammonium oxalate and acetate proved lower efficiency (P < 0.05). Young plants showed higher bioconcentration factor (BCF) than old ones in leaves as well in roots. Old plants proved lower residual metal concentration in solution. Mobilisation efficiency and metals accumulation in biomass were the highest under citrate and tartrate treatments.

Suggested Citation

  • T. Veselý & P. Tlustoš & J. Száková, 2011. "Organic salts enhanced soil risk elements leaching and bioaccumulation in Pistia stratiotes," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 57(4), pages 166-172.
    • Handle: RePEc:caa:jnlpse:v:57:y:2011:i:4:id:411-2010-pse
    DOI: 10.17221/411/2010-PSE
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    References listed on IDEAS

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    1. Renée Street & Jiřina Száková & Ondřej Drábek & Lenka Mládková, 2006. "The status of micronutrients (Cu, Fe, Mn, Zn) in tea and tea infusions in selected samples imported to the Czech Republic," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 24(2), pages 62-71.
    2. K. Šichorová & P. Tlustoš & J. Száková & K. Kořínek & J. Balík, 2004. "Horizontal and vertical variability of heavy metals in the soil of a polluted area," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 50(12), pages 525-534.
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