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Organic matter transformations in soils

Research paper by M. K. Sinha

Indexed on: 01 Oct '72Published on: 01 Oct '72Published in: Plant and soil



Abstract

Post-incubation fractionation of soils incubated with C14-tagged oat roots under aerobic and anaerobic conditions and chromatographic separation of hydrolysates of different organic matter fractions indicated the incorporation of C14-labelled amino acids in soil organic matter. Anaerobic incubation leads to the formation of hydrolysable heavily C14-labelled organic substances in greater quantity. The amino acid composition of the different fractions revealed not a very significant qualitative difference. The significance and causes of stabilization of amino acids in soil organic matter are discussed.