Ecotoxicological Assessment of Soils Formed by Weathering of Igneous Rocks of Teschenite-Picrite Association (Beskydy Mountains, Czech Republic)

Abstract:

Increased concentrations of trace elements in rocks of teschenite-picrite association should also be reflected in the soils developed on these rocks. An addition of biochar to contaminated soils can be effective in decreasing of inorganic contaminants. The threshold of geochemical anomaly for soils overlying the teschenite association and the influence of chromium (Cr) concentration on its mobility after biochar amendment using F. candida as testing organism were determined. The inhibition was not demonstrated in the tested soil with a concentration of Cr at 400 mg Cr/kg. High concentrations of Cr in soils were associated with the presence of chromspinel, which is resistant to the weathering processes. A significant stimulatory effect was found after the addition of biochar made of wood in the sample with 10% of PL (p = 0.0402) amendment and the sample with 5 % of AC (p = 0.0229) amendment.

• Periodical: Applied Mechanics and Materials (Volume 700)
• Pages: 344-349
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.700.344
• Online since: December 2014
• Authors: Barbora Pjurova, Dalibor Matýsek, Jarmila Drozdova*, Eliska Hrynysinova
• Keywords: Chromium, Ecotoxicity, Folsomia candida, Picrite, Teschenite

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