Abstract
The granule-densimetric fractionation method was used to identify the characteristic features of the composition of different functional pools of labile organic matter (OM) from the automorphic soils of a zonal range from the center of the Russian Plain. Labile OM included free organic matter (FM) represented by a light fraction (LFR) of a density lower than 1.8 g/cm3 and a size larger than 53 μm, and aggregated discrete organic matter (LFAGR1) represented by an organic matter LF of a density lower than 1.8 g/cm3 and a size smaller than 53 μm and a phytolith LF (LFAGR2) (density 1.8–2.0 g/cm3). The composition of the fractions isolated was studied using electron microscopy, microanalysis, and chemical analysis.
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Original Russian Text © Z.S. Artem’eva, G.N. Fedotov, 2013, published in Vestnik Moskovskogo Universiteta. Pochvovedenie, 2013, No. 4, pp. 3–10.
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Artem’eva, Z.S., Fedotov, G.N. The composition of the functional pools of labile organic matter in the zonal range of automorphic soils of the central Russian Plain. Moscow Univ. Soil Sci. Bull. 68, 147–153 (2013). https://doi.org/10.3103/S0147687413040029
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DOI: https://doi.org/10.3103/S0147687413040029