PMID: 11911608Mar 26, 2002Paper

Methane production in rice soil is inhibited by cyanobacteria

Microbiological Research
R PrasannaN Sethunathan

Abstract

The present study was aimed at understanding the role of cyanobacteria and Azolla in methane production and oxidation in laboratory simulation experiments using soil samples from rice fields. All the seven cyanobacterial strains tested effected a significant decrease in the headspace concentration of methane in flooded soil, incubated under light. Synechocystis sp. was the most effective in retarding methane concentration by 10-20 fold over that in controls without cyanobacteria. The decrease in the headspace concentration of methane was negligible in nonsterile soil samples, inoculated with Synechocystis sp. and then incubated under dark. Moist soil cores (0-5 cm depth), collected from rice fields that had been treated with urea in combination with a cyanobacterial mixture, Azolla microphylla, or cyanobacterial mixture plus A. microphylla, effected distinctly more rapid decrease in the headspace concentration of methane added at 200 microl(-1) than did the soil cores from plots treated with urea alone (30, 60, 90 and 120 kg N ha(-1)), irrespective of the rate of chemical nitrogen applied to rice fields. Besides, soil cores from plots treated with urea alone at 60, 90 and 120 kg N ha(-1) oxidised methane more rapidly than did t...Continue Reading

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Citations

Mar 1, 2008·Indian Journal of Microbiology·Radha PrasannaB D Kaushik
Dec 25, 2015·Environmental Science and Pollution Research International·Bharati KollahSantosh Ranjan Mohanty
Nov 3, 2007·Journal of Applied Microbiology·A BarataV Loureiro
Jul 22, 2015·Asian-Australasian Journal of Animal Sciences·Liping ZhaoZhenming Zhou
Aug 17, 2005·FEMS Microbiology Reviews·Máire BegleyColin Hill
May 6, 2016·Frontiers in Microbiology·Jay Shankar SinghDevendra P Singh
Jul 6, 2016·Frontiers in Microbiology·Jay Shankar Singh, Vijai K Gupta
May 15, 2021·Environmental Science and Pollution Research International·Sandeep K MalyanRajeev Kaushik
Nov 9, 2015·Ecotoxicology and Environmental Safety·Jay Shankar Singh, P J Strong
Sep 4, 2007·Applied and Environmental Microbiology·Aspasia A NisiotouGeorge-John E Nychas
Oct 7, 2004·Applied and Environmental Microbiology·Tina A MüllerHans-Peter E Kohler
Oct 9, 2021·Journal of Applied Microbiology·Xiaodan HuangChristopher S McSweeney

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