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  • Author: Milena Kosiorek x
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Open access

Milena Kosiorek and Mirosław Wyszkowski

Abstract

The aim of the study was to determine the influence of increasing cobalt soil contamination (0 mg·kg−1, 20 mg·kg−1, 40 mg·kg−1, 80 mg·kg−1, 160 mg·kg−1, 320 mg·kg−1) after the application of neutralising substances on selected soil properties. In the soil without an addition of neutralising substances, the highest doses of cobalt caused the pH, total exchangeable bases, cation exchange capacity and the degree of base saturation to decrease and the hydrolytic acidity of soil to increase. Among the substances used, zeolite and calcium oxide (particularly) had the most advantageous influence on the analysed soil properties. They caused the pH, total exchangeable bases and cation exchange capacity to increase and the hydrolytic acidity to decrease. Among the other substances, it was charcoal that had the greatest influence on the soil properties, but the way it influenced the total exchangeable bases, the cation exchange capacity of soil and the degree of base saturation were opposite to the way calcium oxide influenced these properties.

Open access

Milena Kosiorek and Mirosław Wyszkowski

Abstract

The study has been undertaken in order to determine the influence of different substances (manure, clay, charcoal, zeolite and calcium oxide) on soil pH, hydrolytic acidity, total exchangeable bases, cation exchange capacity, the base saturation of soil contaminated with cobalt (0, 20, 40, 80, 160, 320 mg·kg−1 of soil). The analysed properties of soil proved to be dependent on the cobalt contamination and the kind of substances. In the series without substances soil contamination with the highest doses of cobalt raised the soil’s hydrolytic acidity but depressed its pH, total exchangeable bases and base saturation. Among the substances applied to soil in order to neutralize the effect of contamination with cobalt, calcium oxide had the strongest influence on the soil’s properties. In the series with calcium oxide application the hydrolytic acidity was decreased and other soil properties were increased. Manure addition to soil had positive but weaker effect on analysed soil properties.