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Organic matter in soddy podzolic soils with the 2nd humus horizons occurring in taiga landscapes on the left bank of the yenisei river russian sfsr ussr



Organic matter in soddy podzolic soils with the 2nd humus horizons occurring in taiga landscapes on the left bank of the yenisei river russian sfsr ussr



Vestnik Moskovskogo Universiteta Seriya 17 Pochvovedenie (3): 24-29



The genesis of the 2nd humus horizon in soils is discussed. Most of the humic acids in this horizon are bound with Ca. The soils studied are thought to have been formed from dark-colored soils affected previously by calcareous ground waters. Changes in hydrothermic conditions and the action of percolative moisture resulted in gradual leaching of Ca podzolization and degradation of soils which previously were rich in humus. The relic genesis of the 2nd humus horizon was confirmed.

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Accession: 006042352

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