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Fractionation of Humus by Sulfacetolysis
Authors:Jiro Kosaka  Chikabumi Honda
Institution:Section of Soil and Fertilizers , National Institute of Agricultural Sciences , Tokyo , Japan
Abstract:Introduction

Springer1) used in his earlier work acetyl bromide for separating true humic substance from soil organic matter, and proposed to designate the degree of decomposition (Zersetzungsgrad) by such a numeral Ch Ct x 100, of which Ct, was total carbon, and Ch was carbon insoluble in acetyl bromide. In Germany this numeral, abbreviated as Z. G., has been widely applied.
Keywords:rice paddy soil  plant debris  microbial numbers  physical fractionation  
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