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Variation in the Relative Distribution of Amino Sugars with Depth in Some Soil Profiles¹

ABSTRACT

Ion exchange chromatography of the amino sugars in hydrolysates of several soil profiles revealed that the proportion of the amino sugar material in the form of glucosamine increased dramatically with increasing depth. Little variation was noted in the relative distribution of amino sugars in the surface horizons of the soils examined.

¹ Contribution from the Department of Agronomy, University of Illinois, Urbana. Supported in part by the National Science Foundation (GA-348).

² Professor and Assistant Professor, respectively.

Received for publication February 20, 1968. Accepted for publication April 11, 1968.