Elemental sulfur oxidation by Thiobacillus spp and aerobic heterotrophic sulfur-oxidizing bacteria

YangZhiHui; Stoven,K.; Haneklaus,S.; Singh,B.R.; Schnug,E.

Pedosphere: 1, 71-79

2010


ISSN/ISBN: 1002-0160
DOI: 10.1016/s1002-0160(09)60284-8
Accession: 034842308

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Abstract
The prediction of the oxidation rate of elemental sulfur (S0) is a critical step in sulfur (S) fertilizer strategy to supply plant-available sulfur. An incubation experiment was conducted to determine the rate and amount of S0 oxidation in relation to the contribution of Thiobacillus spp. and aerobic heterotrophic S-oxidizing bacteria. After 84 days, 16.3% and 22.4% of the total S0 applied to the soil were oxidized at 20 and 30 degrees C, respectively.