Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/15411
Full metadata record
DC FieldValueLanguage
dc.contributor.authorQuin, Peter Ren
dc.contributor.authorCowie, Annetteen
dc.contributor.authorFlavel, Richarden
dc.contributor.authorKeen, BPen
dc.contributor.authorMacdonald, LMen
dc.contributor.authorMorris, SGen
dc.contributor.authorSingh, Bhupinder Palen
dc.contributor.authorYoung, Iainen
dc.contributor.authorVan Zwieten, Lukasen
dc.date.accessioned2014-07-31T10:01:00Z-
dc.date.issued2014-
dc.identifier.citationAgriculture, Ecosystems & Environment, v.191, p. 142-149en
dc.identifier.issn1873-2305en
dc.identifier.issn0167-8809en
dc.identifier.urihttps://hdl.handle.net/1959.11/15411-
dc.description.abstractEmploying x-ray computed tomography (μ-CT), we examined the impact of an oil mallee (OM) biochar, at concentrations of 0%, 1% and 5% (w/w), on soil structural traits in three soil types (Vertisol, Ferralsol and Arenosol). The biochar was pyrolysed at a maximum temperature of 550°C, sieved to between 250 μm and 2 mm prior to amending the soils, had an internal porosity of 75% (v/v) and an organic carbon (Corg) content of 60%. Soil structure was quantified, at a resolution of 70 μm, by measuring μ-CT porosity, mean pore radius, fractal dimension and connectivity of the pore space. Addition of 5% OM biochar resulted in higher μ-CT porosity (i.e. ≥70 μm) in the Vertisol (p < 0.001), averaging 7.5, 9.1 and 13.4%, respectively, for 0, 1 and 5% biochar, with the Ferralsol having corresponding μ-CT porosities of 6.2, 6.5 and 10.9%, the difference also being significant (p = 0.03) for 5% OM biochar amendment. Significant increases (p < 0.05) in connectivity of the largest pore and mean pore radius were observed in all three soils containing 5% OM biochar and also in the Arenosol with 1% OM biochar. Over a 15-month incubation the Ferralsol containing 5% OM biochar showed increased μ-CT porosity (p < 0.05) and fractal dimension (p < 0.05), the latter indicating greater homogeneity of pore space distribution. Addition of OM biochar significantly decreased the rate of water loss through evaporation and drainage of all incubated soils (p < 0.05) and reduced volumetric water content at field capacity in the two clay-rich soils. Soil with 1% OM biochar showed an increase in the rate of drainage in the Vertisol (p < 0.05 at −0.02 MPa) and a 20% increase in the available water content of the Arenosol (p < 0.05). It is hypothesised that the highly porous structure of biochar may have contributed to the changed water retention characteristics of the soils. This study highlights the potential for OM biochar to modify the structural characteristics of contrasting soils.en
dc.languageenen
dc.publisherElsevier BVen
dc.relation.ispartofAgriculture, Ecosystems & Environmenten
dc.titleOil mallee biochar improves soil structural properties - A study with x-ray micro-CTen
dc.typeJournal Articleen
dc.identifier.doi10.1016/j.agee.2014.03.022en
dc.subject.keywordsSoil Physicsen
dc.subject.keywordsCarbon Sequestration Scienceen
local.contributor.firstnamePeter Ren
local.contributor.firstnameAnnetteen
local.contributor.firstnameRicharden
local.contributor.firstnameBPen
local.contributor.firstnameLMen
local.contributor.firstnameSGen
local.contributor.firstnameBhupinder Palen
local.contributor.firstnameIainen
local.contributor.firstnameLukasen
local.subject.for2008050301 Carbon Sequestration Scienceen
local.subject.for2008050305 Soil Physicsen
local.subject.seo2008829802 Management of Greenhouse Gas Emissions from Plant Productionen
local.subject.seo2008829805 Management of Water Consumption by Plant Productionen
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.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailpquin@myune.edu.auen
local.profile.emailacowie4@une.edu.auen
local.profile.emailrflavel3@une.edu.auen
local.profile.emailbsingh20@une.edu.auen
local.profile.emailiyoung4@une.edu.auen
local.profile.emaillvanzwie@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20140404-085245en
local.publisher.placeNetherlandsen
local.format.startpage142en
local.format.endpage149en
local.identifier.scopusid85027947121en
local.peerreviewedYesen
local.identifier.volume191en
local.contributor.lastnameQuinen
local.contributor.lastnameCowieen
local.contributor.lastnameFlavelen
local.contributor.lastnameKeenen
local.contributor.lastnameMacdonalden
local.contributor.lastnameMorrisen
local.contributor.lastnameSinghen
local.contributor.lastnameYoungen
local.contributor.lastnameVan Zwietenen
dc.identifier.staffune-id:pquinen
dc.identifier.staffune-id:acowie4en
dc.identifier.staffune-id:rflavel3en
dc.identifier.staffune-id:bsingh20en
dc.identifier.staffune-id:iyoung4en
dc.identifier.staffune-id:lvanzwieen
local.profile.orcid0000-0001-7867-2104en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:15627en
local.identifier.handlehttps://hdl.handle.net/1959.11/15411en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleOil mallee biochar improves soil structural properties - A study with x-ray micro-CTen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorQuin, Peter Ren
local.search.authorCowie, Annetteen
local.search.authorFlavel, Richarden
local.search.authorKeen, BPen
local.search.authorMacdonald, LMen
local.search.authorMorris, SGen
local.search.authorSingh, Bhupinder Palen
local.search.authorYoung, Iainen
local.search.authorVan Zwieten, Lukasen
local.uneassociationUnknownen
local.identifier.wosid000338393500016en
local.year.published2014en
local.subject.for2020410101 Carbon sequestration scienceen
local.subject.for2020410605 Soil physicsen
local.subject.seo2020190310 Management of greenhouse gas emissions from plant productionen
local.subject.seo2020260104 Management of water consumption by plant productionen
Appears in Collections:Journal Article
School of Environmental and Rural Science
Files in This Item:
2 files
File Description SizeFormat 
Show simple item record

SCOPUSTM   
Citations

88
checked on Mar 23, 2024

Page view(s)

1,250
checked on Feb 11, 2024
Google Media

Google ScholarTM

Check

Altmetric


Items in Research UNE are protected by copyright, with all rights reserved, unless otherwise indicated.