Intervarietal differences of methane emission related to plant parameters in irrigated rice cultivation

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dc.contributor.advisorSass, Ronald L.en_US
dc.creatorWillis, Cylette Rauceneen_US
dc.date.accessioned2009-06-04T00:32:47Zen_US
dc.date.available2009-06-04T00:32:47Zen_US
dc.date.issued1995en_US
dc.description.abstractField and laboratory experiments were conducted with the following ten cultivars of rice: Lebonnet, Lemont, Dawn, Katy, Della, IR36, Mars, Brazos, Labelle and Jasmine. For each variety, components of biomass, root porosity and methane emission were observed throughout the entire growing season and yield was determined at harvest. Methane emission differed among cultivars by as much as a factor of 2.4 and resulted in two distinct emission groups. Significant differences were also found for biomass among cultivars, although these differences did not coincide with the differences that were observed for emission among cultivars. Methane emission correlated strongly with aboveground live vegetative biomass within most varieties until heading and among cultivars within emission groups to heading. Emissions showed less correlation with biomass during ripening and may have been affected by other factors within the system at this time. Methane emission appeared to be consistently proportional to grain production among cultivars, when determined per gram biomass, and may be related through processes of carbohydrate partitioning. Root porosity did not appear to be associated with observed differences or trends in methane emission.en_US
dc.format.extent207 p.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.callnoTHESIS ECOL. 1995 WILLISen_US
dc.identifier.citationWillis, Cylette Raucene. "Intervarietal differences of methane emission related to plant parameters in irrigated rice cultivation." (1995) Diss., Rice University. <a href="https://hdl.handle.net/1911/16898">https://hdl.handle.net/1911/16898</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/16898en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectAgronomyen_US
dc.subjectEnvironmental scienceen_US
dc.subjectGeochemistryen_US
dc.subjectPlant physiologyen_US
dc.subjectAgricultureen_US
dc.subjectBiologyen_US
dc.subjectBiochemistryen_US
dc.titleIntervarietal differences of methane emission related to plant parameters in irrigated rice cultivationen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentEcology and Evolutionary Biologyen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelDoctoralen_US
thesis.degree.nameDoctor of Philosophyen_US
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