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Phosphine and methane generation by the addition of organic compounds containing carbon-phosphorus bonds into incubated soil
Authors:Han S H  Zhuang Y H  Zhang H X  Wang Z J  Yang J Z
Institution:Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing.
Abstract:Formation of phosphine and methane in anaerobic incubation systems was investigated under stirred and unstirred conditions. The PH3 and CH4 levels in the headspace, as well as the matrix-bound PH3 content in the stirred soil, significantly increased upon the addition of phosphonoacetic acid (P(O)(OH)2CH2COOH). Both the levels of matrix-bound PH3 and CH4 are positively correlated to the buffered dithionite fraction of reactive phosphorus in the soil samples, while a negative correlation was observed between matrix-bound PH3/CH4 levels and the reactive phosphorus fraction.
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