Publication details

Use of dredged sediments on agricultural soils from viewpoint of potentially toxic substances.

Authors

VÁCHA R. ČECHMÁNKOVÁ J. SKÁLA J. HOFMAN Jakub ČERMÁK P. SÁŇKA Milan VÁCHOVÁ T.

Year of publication 2011
Type Article in Periodical
Magazine / Source Plant, Soil and Environment
MU Faculty or unit

Faculty of Science

Citation
Field Soil contamination adn decontamination incl. pesticides
Keywords dredged pond sediments; soil hygiene; risky elements; persistent organic pollutants
Description The sediment characteristics (pH, CEC, Al-exchangeable, Cox, humus substances), the content of potentially toxic elements and persistent organic pollutants were analysed in the sediments and compared between sediment groups. The comparison of sediment contamination with Czech legislation for sediment use in agriculture was conducted. The village sediments were more loaded by potentially toxic elements and persistent organic pollutants than the others. The pH value of sediments was considered as the properties regulating the retention of potentially toxic elements and their mobility (Al, Cd, Zn). Polycyclic aromatic hydrocarbons (PAHs) were the most problematic POPs group in the sediments. The correlation showed poor dependency of POPs (especially PAHs) content on the content and quality of sediment organic matter.
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