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dc.contributor.authorChompunut Chayawaten_US
dc.contributor.authorChuckree Senthongen_US
dc.contributor.authorMonique Y. Leclercen_US
dc.contributor.authorGengsheng Zhangen_US
dc.contributor.authorJohn P. Beasleyen_US
dc.description.abstractIt is crucial to understand the effect of rainfall on soil CO2efflux and the factors that control efflux. This paper investigates the influence of rainfall events on soil CO2efflux from wheat and peanut fields by using high-frequency soil gradient efflux method and long term automated soil chamber measurements. Results show soil CO2efflux decreased during and immediately after rainfall events, which was related to reduce gaseous diffusivity as a response. A few hours after rainfall, a significant increase in soil CO2efflux was observed, the increased rates of soil CO2efflux were different among the growth stages of peanut. A significant correlation between soil water content and soil CO2efflux after rainfall was found, suggesting that soil water content has consequence for short-term losses of soil CO2efflux after rainfall. The present study suggests that high-frequency soil CO2efflux measurements should be made to capture large pulses in CO2emissions to adequately model carbon-water cycling from agricultural soils to the atmosphere.en_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.subjectMaterials Scienceen_US
dc.subjectPhysics and Astronomyen_US
dc.titleSeasonal and post-rainfall dynamics of soil CO<inf>2</inf>efflux in wheat and peanut fieldsen_US
article.title.sourcetitleChiang Mai Journal of Scienceen_US
article.volume39en_US Mai Universityen_US University of Georgia Griffin Campusen_US University of Georgiaen_US
Appears in Collections:CMUL: Journal Articles

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