Rate of Biochemical Decomposition of Organic Matter
in Drained Peaty Soils at Different Sanding Modes

F. R. Zaidel’man, A. P. Shvarov, E. B. Pavlova, and S. N. Golovin

Faculty of Soil Science, Moscow State University, Vorob’evy gory, Moscow, 119899 Russia

Received February 23, 1996

Abstract—The rate of biochemial decomposition of organic matter in drained peaty soils has been studied for
the common, mixed, and cover farming systems with a concurrent analysis of hydrothermic conditions. The
maximum depletion of peat was observed in the plow horizon for the black system and in the plow and subplow
horizons for the mixed system. For the cover system, two maximums were found for the biochemical decom
position of organic matter (in the plow horizon and in the zone of the open capillary fringe). Sanding and cover
culture enhance the biochemical depletion of peat. Protection against the degradation is associated with control
of the ground water table.

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