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Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/4558
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dc.contributor.authorBrown, Ralph Ben
dc.contributor.authorLamb, Daviden
dc.date.accessioned2010-02-08T16:54:00Z-
dc.date.issued2004-
dc.identifier.citationPresented at the 2004 ASAE/CSAE Annual International Meetingen
dc.identifier.urihttps://hdl.handle.net/1959.11/4558-
dc.description.abstractSpectral reflectance of grape leaves was measured over the range of 450-2400 nm. Reflectance spectra of leaves from healthy and phylloxera-infested vines were compared and significant differences were noted in the visible part of the spectrum. A Green-Red Ratio (GRR) was evaluated to distinguish between the two groups of leaves. The GRR was also tested against leaves of different nitrogen tissue levels from otherwise healthy vines. While showing a positive correlation with leaf nitrogen content, the relationship was not significant for effective diagnostic use.en
dc.languageenen
dc.publisherAmerican Society of Agricultural and Biological Engineers (ASABE)en
dc.relation.ispartofPresented at the 2004 ASAE/CSAE Annual International Meetingen
dc.titleUsing Grape Leaf Reflectance for Spatially Variable Vineyard Managementen
dc.typeConference Publicationen
dc.relation.conferenceASAE/CSAE 2004: 2004 American Society of Agricultural Engineers and Canadian Society of Agricultural Engineers Annual International Meetingen
dc.subject.keywordsGeospatial Information Systemsen
local.contributor.firstnameRalph Ben
local.contributor.firstnameDaviden
local.subject.for2008090903 Geospatial Information Systemsen
local.subject.seo2008820306 Wine Grapesen
local.identifier.epublicationsvtls086504743en
local.profile.schoolOffice of Faculty of Science, Agriculture, Business and Lawen
local.profile.emaildlamb@une.edu.auen
local.output.categoryE2en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordpes:7072en
local.date.conference1st - 4th August, 2004en
local.conference.placeOttawa, Canadaen
local.publisher.placeUnited States of Americaen
local.identifier.runningnumberPaper 041078en
local.contributor.lastnameBrownen
local.contributor.lastnameLamben
dc.identifier.staffune-id:dlamben
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:4667en
dc.identifier.academiclevelAcademicen
local.title.maintitleUsing Grape Leaf Reflectance for Spatially Variable Vineyard Managementen
local.output.categorydescriptionE2 Non-Refereed Scholarly Conference Publicationen
local.relation.urlhttp://asae.frymulti.com/azdez.asp?search=1&JID=5&AID=17056&CID=can2004&v=&i=&T=1en
local.conference.detailsASAE/CSAE 2004: American Society of Agricultural Engineers and Canadian Society of Agricultural Engineers Annual International Meeting, Ottawa, Canada, 1st - 4th August, 2004en
local.search.authorBrown, Ralph Ben
local.search.authorLamb, Daviden
local.uneassociationUnknownen
local.year.published2004en
local.date.start2004-08-01-
local.date.end2004-08-04-
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