Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/16187
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dc.contributor.authorVan Zwieten, Lukasen
dc.contributor.authorKimber, Sen
dc.contributor.authorDownie, Aen
dc.contributor.authorMorris, Sen
dc.contributor.authorPetty, Sen
dc.contributor.authorRust, Jen
dc.contributor.authorChan, K Yen
dc.date.accessioned2014-12-03T13:47:00Z-
dc.date.issued2010-
dc.identifier.citationAustralian Journal of Soil Research, 48(7), p. 569-576en
dc.identifier.issn0004-9573en
dc.identifier.issn1446-568Xen
dc.identifier.issn1838-6768en
dc.identifier.issn1838-675Xen
dc.identifier.urihttps://hdl.handle.net/1959.11/16187-
dc.description.abstractThe effect of a low mineral ash biochar on biomass production and nitrogen (N) uptake into plants was tested with wheat and radish in a Yellow Earth used for commercial vegetable production. The biochar had an acid neutralising capacity <0.5% CaCO₃, a total C content of 75%, and a molar H/C ratio of 0.45, indicating stability due to its aromaticity. A pot trial was established under climate-controlled conditions. Five rates of N fertiliser (0, 17, 44, 88, 177 kg N/ha) were applied as urea in combination with 5 biochar rates (0, 1.1, 2.2, 4.4, 11% w/w). Analysis of biomass production revealed a significant biochar × N fertiliser interaction. In particular, increasing biochar concentrations improved biomass production in both crop species at lower N application rates. The highest biochar application rate resulted in significantly greater accumulation of NO₃⁻-N in the soil and lower NH₄ ⁺-N averaged across the 5 N application rates. The biochar also decreased available P, and significantly increased microbial activity measured using the fluorescein diacetate method. Increasing N fertiliser application resulted in greater accumulation of NO₃⁻-N with no changes to NH₄ ⁺-N averaged across the 5 biochar application rates. Nitrogen fertiliser application did not influence microbial activity or biomass C. The trial suggests that in some cropping systems, biochar application will enable reduced N fertiliser input while maintaining productivity.en
dc.languageenen
dc.publisherCSIRO Publishingen
dc.relation.ispartofAustralian Journal of Soil Researchen
dc.titleA glasshouse study on the interaction of low mineral ash biochar with nitrogen in a sandy soilen
dc.typeJournal Articleen
dc.identifier.doi10.1071/SR10003en
dc.subject.keywordsCarbon Sequestration Scienceen
dc.subject.keywordsSoil Chemistry (excl Carbon Sequestration Science)en
local.contributor.firstnameLukasen
local.contributor.firstnameSen
local.contributor.firstnameAen
local.contributor.firstnameSen
local.contributor.firstnameSen
local.contributor.firstnameJen
local.contributor.firstnameK Yen
local.subject.for2008050304 Soil Chemistry (excl Carbon Sequestration Science)en
local.subject.for2008050301 Carbon Sequestration Scienceen
local.subject.seo2008961402 Farmland, Arable Cropland and Permanent Cropland Soilsen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emaillvanzwie@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20141125-163044en
local.publisher.placeAustraliaen
local.format.startpage569en
local.format.endpage576en
local.peerreviewedYesen
local.identifier.volume48en
local.identifier.issue7en
local.contributor.lastnameVan Zwietenen
local.contributor.lastnameKimberen
local.contributor.lastnameDownieen
local.contributor.lastnameMorrisen
local.contributor.lastnamePettyen
local.contributor.lastnameRusten
local.contributor.lastnameChanen
dc.identifier.staffune-id:lvanzwieen
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:16424en
local.identifier.handlehttps://hdl.handle.net/1959.11/16187en
dc.identifier.academiclevelAcademicen
local.title.maintitleA glasshouse study on the interaction of low mineral ash biochar with nitrogen in a sandy soilen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorVan Zwieten, Lukasen
local.search.authorKimber, Sen
local.search.authorDownie, Aen
local.search.authorMorris, Sen
local.search.authorPetty, Sen
local.search.authorRust, Jen
local.search.authorChan, K Yen
local.uneassociationUnknownen
local.year.published2010en
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