Influence of a commercial formulation of tridemorph on methane production and oxidation in a tropical rice soil

Bharati, K. ; Mohanty, S. R. ; Adhya, T. K. ; Banerjee, A. ; Rao, V. R. ; Sethunathan, N. (1999) Influence of a commercial formulation of tridemorph on methane production and oxidation in a tropical rice soil Chemosphere, 39 (6). pp. 933-943. ISSN 0045-6535

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/S0045-6535(99)00025-9

Abstract

In a laboratory incubation study, application of a commercial formulation of tridemorph to a tropical rice soil under flooded condition significantly stimulated CH4 production at low levels (5, 10 and 20 μg.g-1) but inhibited the process at higher levels of 50 and 100 μg.g-1. Oxidation of CH4, however, was progressively inhibited with increasing concentrations of the fungicide. Increase in CH4 production in tridemorph-amended soil was attributed to a hastening in the soil reduction, increase in the K2SO4-extractable C content and an increase in the population of methanogenic bacteria. Inhibitory effect of the fungicide on the oxidation of CH4, on the other hand, was related to the inhibition in the population of methanotrophic bacteria.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:47783
Deposited On:12 Jul 2011 19:56
Last Modified:12 Jul 2011 19:56

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