Abstract
Physicochemical properties and chemical elements content in soils and soil infiltrate of the mature Norway spruce forest and cereal meadow communities were investigated. Using data of particle size distribution, acidity, organic matter, total of exchange bases, element content (Zn, Cd, Ni, Pb, Cu, Sr, Mn, Fe, K, Na, Ca, Mg, Al) in soil solid phase and appropriate indeсes of lysimetric waters soil formation processes were analyzed. Acidity of soil infiltrates, as the same of solid phase solution, is significantly greater in forest ecosystem too. Leaching of clay particles from the upper soil horizon of the spruce forest is 2 to 3 time higer then it is in meadow ecosystem. Organic matter and exchange bases content in upper soil horizons were within the same range for both ecosystems, but lower part of spruce forest soil profile compare to meadow bottom horizons is enriched with that components. Nutrient content and it distribution within both investigated soils profiles indicates a significant leaching and weak differentiation of the soil horizons for most of the investigated chemical elements. Chemical elements content of lisymetric waters, solid/liquid partition coefficients (Kd), SiO 2 :Al 2 O 3 ratios indicate more notable leaching processes in forest ecosystem. As a result, it has been shown that brown soil forming process are the same for both types of vegetation communities but is more intense under conditions of forest ecosystem.
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