Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
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Τρίτη 19 Δεκεμβρίου 2017

Study of applying naturally occurring mineral sorbents of Poland (dolomite halloysite, chalcedonite) for aided phytostabilization of soil polluted with heavy metals

Publication date: April 2018
Source:CATENA, Volume 163
Author(s): Maja Radziemska
A greenhouse experiment was carried out for evaluating the effects of mineral sorbents, i.e.: dolomite, halloysite, and chalcedonite on the chemical characteristics of soil contaminated with heavy metals and the uptake of metals by plants. The contents of trace elements in the plants and soil were determined using the method of spectrophotometry. All of the investigated element contents in the tested parts of F. rubra differed significantly in the case of applying mineral sorbents to the soil, as well as increasing concentrations of Pb, Cd and Zn. The greatest average above-ground biomass was observed when chalcedonite and halloysite were amended into the soil. Halloysite and chalcedonite also caused significant increases in Pb, Cd and Zn concentrations in the roots. The addition of dolomite significantly increased soil pH. Halloysite and chalcedonite were shown to be the most effective and decreased the average Pb, Cd and Zn contents in soil.

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