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2011 | 44 | 2 |
Tytuł artykułu

Impact of acid rain on the translocation of selected elements in degraded chernozem derived from loess

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Soil acidity, as a natural process in the moderate climate, is strengthened by the activity of anthropogenic factors. It progresses from the surface deeper into the soil profile and is based on giving a specific direction to the chemical and physical-chemical processes. This direction is related to the concentration of hydrogen ions. The research was carried out under the assumption that the differentiated acidity of the simulated rainfall would lead to the translocation of the elements from the surface to the deeper horizons of the soil. The research was carried out on the reconstructed profile of degraded chernozem in columns 1 metre in height and 7 cm in diameter. The variable factor was the concentration of hydrogen ions in the sprinkling dose, which was measured based on the sorptive capacity of the soil mass in the Ap horizon, from 25 to 150% of the capacity (6 levels), as compared to the distilled water control. Upon completion of the washing, the content of total and soluble in 1 M HCl forms of Ca, Mg, Fe, K, Na, Mn, Cu, Zn, Pb, Cd, Ni and Co were measured using the AAS technique. The simulated acidity and water percolation in the soil had a specific effect on the processes of solution and translocation of the investigated elements within the profile of degraded chernozem, which was related to the nature of the elements, as well as the physical-chemical soil properties of the profile. The soluble forms of calcium and magnesium were translocated at a depth of less than 1 metre. Iron and potassium accumulated within the parent rock at the depth of 65-100 cm. Total forms of Zn, Dc, Mn, Ni and Co were washed out of the soil profile under the influence of the acidic rain and a higher content of soluble forms of these elements was stated in the horizons containing organic matter. The acidity did not differentiate the total forms of lead in the profile. It did, however, increase the content of the soluble forms in the Ap horizon.
Słowa kluczowe
Wydawca
-
Rocznik
Tom
44
Numer
2
Opis fizyczny
p.143-159,ref.
Twórcy
autor
  • Department of Soil Science, Environment Chemistry and Hydrology; University of Rzeszow, M. Cwiklinskiej 2, 35-601 Rzeszow, Poland
autor
  • Department of Agro-Food Production Engineering, University of Rzeszow, M. Cwiklinskiej 2, 35-601 Rzeszow, Poland
Bibliografia
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Bibliografia
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Identyfikator YADDA
bwmeta1.element.agro-3068460d-53d3-4045-8fa9-04c24ca91a89
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