Bacterial production of organic sulphur in a forest litter extract

Incorporation of sulphate-S into organic matter in soil and litter of deciduous forests in North Carolina has been postulated as a mechanism contributing to sulphur accumulation in these ecosystems. Field studies have demonstrated that organic sulphur is accumulated as ester sulphate-S, sulphonate-S...

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Bibliographic Details
Published in:Soil biology & biochemistry 1987, Vol.19 (6), p.771-774
Main Authors: Strickland, T.C., Fitzgerald, J.W.
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
biological activity in soil
Biological and medical sciences
Chemical, physicochemical, biochemical and biological properties
forest litter
forest soils
Fundamental and applied biological sciences. Psychology
Organic matter
organic sulfur compounds
Physics, chemistry, biochemistry and biology of agricultural and forest soils
soil analysis
soil bacteria
Soil science
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Summary:Incorporation of sulphate-S into organic matter in soil and litter of deciduous forests in North Carolina has been postulated as a mechanism contributing to sulphur accumulation in these ecosystems. Field studies have demonstrated that organic sulphur is accumulated as ester sulphate-S, sulphonate-S, and amino-acid-S and indirect evidence suggests that the process is microbially mediated. The formation and release of organic-S by bacteria is well documented. The authors used the organic matter extraction-incubation method of Strickland and Fitzgerald (1985) to examine the possible role of exoenzymes in the extracellular sulphation of soil organic matter. The aim of this study was toshow the direct involvement of soil micro-organisms in organic-S formation.
ISSN:0038-0717
1879-3428
DOI:10.1016/0038-0717(87)90062-9