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dc.contributor.authorDuhan, Anil
dc.contributor.authorOliver, Danielle P
dc.contributor.authorRashti, Mehran Rezaei
dc.contributor.authorDu, Jun
dc.contributor.authorKookana, Rai S
dc.date.accessioned2020-09-22T01:21:05Z
dc.date.available2020-09-22T01:21:05Z
dc.date.issued2020
dc.identifier.issn0048-9697en_US
dc.identifier.doi10.1016/j.scitotenv.2020.136640en_US
dc.identifier.urihttp://hdl.handle.net/10072/397745
dc.description.abstractWe studied sorption potential for a range of herbicides using eleven waste materials (mill muds) containing organic matter (47.6 to 65.1%) produced by sugar mills and applied as soil conditioners by farmers. Sorption/desorption behaviour of five herbicides commonly used in sugarcane production (imazapic, atrazine, hexazinone, diuron and metribuzin) was studied on these mill muds, as is and after adding these to three soils at different rates (5–25%, dry weight basis). All mill muds had significant sorption capacity, especially for diuron, atrazine and metribuzin which was 6 to 26 times higher than the soil with 3.5% organic carbon (OC). Generally, sorption of the five herbicides assessed in all mill muds followed the order diuron > atrazine = metribuzin > hexazinone = imazapic. Eight out of 11 mill muds had similar sorption capacity for any given herbicides. Amending soils with selected mill muds significantly enhanced their sorption efficiency, depending on the rate of application especially in soil with low OC. Generally, application of mill muds at 5% w/w or 40 tons/ha increased sorption of studied herbicides by 2 to 10 folds. Soil amendment with mill muds also reduced the rate and extent of desorption of herbicides- especially mobile herbicides like metribuzin. Nearly 79% release of metribuzin was observed after three desorption steps in amended soil (at 5% w/w), whereas in unamended soil, 100% of metribuzin was released during first desorption step. The study demonstrates that wastes produced by sugar mills may have recycling use in enhancing the retention of mobile herbicides in soils with low OC content.en_US
dc.description.peerreviewedYesen_US
dc.languageEnglishen_US
dc.language.isoeng
dc.publisherElsevier
dc.relation.ispartofpagefrom136640en_US
dc.relation.ispartofjournalScience of the Total Environmenten_US
dc.relation.ispartofvolume713en_US
dc.subject.fieldofresearchEnvironmental Sciencesen_US
dc.subject.fieldofresearchcode05en_US
dc.subject.keywordsScience & Technologyen_US
dc.subject.keywordsLife Sciences & Biomedicineen_US
dc.subject.keywordsHerbicidesen_US
dc.subject.keywordsEcologyen_US
dc.titleOrganic waste from sugar mills as a potential soil ameliorant to minimise herbicide runoff to the Great Barrier Reefen_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Articlesen_US
dcterms.bibliographicCitationDuhan, A; Oliver, DP; Rashti, MR; Du, J; Kookana, RS, Organic waste from sugar mills as a potential soil ameliorant to minimise herbicide runoff to the Great Barrier Reef, Science of the Total Environment, 2020, 713, pp. 136640en_US
dcterms.dateAccepted2020-01-09
dc.date.updated2020-09-22T01:19:43Z
gro.hasfulltextNo Full Text
gro.griffith.authorRezaei Rashti, Mehran


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