Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/13474
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dc.contributor.authorBegum, Nazmaen
dc.contributor.authorGuppy, Christopheren
dc.contributor.authorHerridge, Daviden
dc.contributor.authorSchwenke, Graemeen
dc.date.accessioned2013-09-30T17:09:00Z-
dc.date.created2012en
dc.date.issued2013-
dc.identifier.urihttps://hdl.handle.net/1959.11/13474-
dc.description.abstractAgricultural soils are a major source of atmospheric nitrous oxide (N₂O), a potent greenhouse gas contributing approximately 6% of the total radiative forcing from anthropogenic greenhouse gas emissions. Vertosols are the major soil type throughout much of the grain-growing areas of northern NSW and southern Queensland in Australia. In these areas, cultivation of grain legumes, retention of crop residues after grain harvest and increased use of fertilizer-nitrogen (N) are common practices, all of which are potentially important sources of N₂O emissions. Vertosols are fine-textured and have poor internal drainage, which can lead to greater periods of saturated, anaerobic conditions conducive to N₂O emissions through denitrification. This underlines the need to better understand the relative contribution of different N sources (i.e. fertilizer-N, crop residue-N, biologically-fixed N₂) to N₂O emissions from cropped Vertosols in order to define the least emitting system. The long-term aim is reduction of N₂O emissions from Australian agricultural systems. In the five experiments reported in this thesis, I examined the relative effects of fertilizer-N rates and biologically-fixed N₂ on N₂O emissions from an acidic Black Vertosol and further examined the effects of residue sources, particularly root versus shoot, and soil pH on N₂O emissions from the same soil.en
dc.languageenen
dc.titleNitrous oxide emissions from acidic Black Vertosol: effects of residues, nitrogen additions and pHen
dc.typeThesis Doctoralen
dcterms.accessRightsUNE Greenen
dc.subject.keywordsSoil Chemistry (excl Carbon Sequestration Science)en
local.contributor.firstnameNazmaen
local.contributor.firstnameChristopheren
local.contributor.firstnameDaviden
local.contributor.firstnameGraemeen
local.subject.for2008050304 Soil Chemistry (excl Carbon Sequestration Science)en
local.subject.seo2008830499 Pasture, Browse and Fodder Crops not elsewhere classifieden
dcterms.RightsStatementCopyright 2012 - Nazma Begumen
dc.date.conferred2013en
local.thesis.degreelevelDoctoralen
local.thesis.degreenameDoctor of Philosophyen
local.contributor.grantorUniversity of New Englanden
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailnbegum3@une.edu.auen
local.profile.emailcguppy@une.edu.auen
local.profile.emaildherridg@une.edu.auen
local.profile.emailgschwenk@une.edu.auen
local.output.categoryT2en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune_thesis-20130103-121616en
local.title.subtitleeffects of residues, nitrogen additions and pHen
local.access.fulltextYesen
local.contributor.lastnameBegumen
local.contributor.lastnameGuppyen
local.contributor.lastnameHerridgeen
local.contributor.lastnameSchwenkeen
dc.identifier.staffune-id:nbegum3en
dc.identifier.staffune-id:cguppyen
dc.identifier.staffune-id:dherridgen
dc.identifier.staffune-id:gschwenken
local.profile.orcid0000-0001-7274-607Xen
local.profile.orcid0000-0002-0423-2517en
local.profile.orcid0000-0002-2206-4350en
local.profile.roleauthoren
local.profile.rolesupervisoren
local.profile.rolesupervisoren
local.profile.rolesupervisoren
local.identifier.unepublicationidune:13686en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleNitrous oxide emissions from acidic Black Vertosolen
local.output.categorydescriptionT2 Thesis - Doctorate by Researchen
local.thesis.borndigitalyesen
local.search.authorBegum, Nazmaen
local.search.supervisorGuppy, Christopheren
local.search.supervisorHerridge, Daviden
local.search.supervisorSchwenke, Graemeen
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/983bac24-ffd9-47b6-97c7-f03c3916c504en
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/ed9055df-7866-4c2d-8e5c-9884959d2776en
local.uneassociationYesen
local.year.conferred2013en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/ed9055df-7866-4c2d-8e5c-9884959d2776en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/983bac24-ffd9-47b6-97c7-f03c3916c504en
local.subject.for2020410604 Soil chemistry and soil carbon sequestration (excl. carbon sequestration science)en
Appears in Collections:School of Environmental and Rural Science
Thesis Doctoral
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