Abstract
Specific features of the genesis and water regime of soils in closed depressions were studied in two catenas located on the interfluvial and terrace surfaces. In humid years and in the years with moderate precipitation, the surface flooding up to early May reduced the Eh values up to 60–100 mV in the soils of the interfluvial depressions. The contrasting stagnant-percolate water regime under the surface waterlogging caused podzolization of the soils manifested in the skeletans, iron nodules, humus cutans, and podzolic horizons. The pro-files acquired eluvial-illuvial differentiation, and the water-physical properties of the soils became less favorable. In the soils of the terrace depressions upon bogging due to the shallow ground water and stagnation of water up to mid-July, the Eh values decreased to −20 to −80 mV. The reductive conditions were responsible for the appearance of the morphochromatic signs of gley. The ground water of bicarbonate-calcium composition at a depth of 80–120 cm hindered podzolization. The soils with features of gley and podzolization are low-productive.
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Original Russian Text © F.R. Zaidelman, A.S. Nikiforova, L.V. Stepantsova, V.N. Krasin, S.B. Safronov, 2008, published in Pochvovedenie, 2008, No. 2, pp. 198–213.
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Zaidelman, F.R., Nikiforova, A.S., Stepantsova, L.V. et al. Ecological-hydrological and genetic features of chernozem-like soils of closed depressions in the northern Tambov Lowland. Eurasian Soil Sc. 41, 176–189 (2008). https://doi.org/10.1134/S1064229308020099
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DOI: https://doi.org/10.1134/S1064229308020099