Assessment of Environmental Impact of Selected Herbicides Used in Rice Farming in Sri Lanka

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dc.contributor.authorBandara, R.M. U.S.
dc.contributor.authorDissanayaka, H.M.M.K.K.H.
dc.contributor.authorDe Silva, Y.M.S.H.I.U.
dc.contributor.authorDissanayake, D.M.C.B.
dc.contributor.authorWitharana, D.D.
dc.date.accessioned2019-07-01T09:23:36Z
dc.date.available2019-07-01T09:23:36Z
dc.date.issued2018
dc.description.abstractEnvironmental hazard of pesticides are estimated using Environmental Impact Quotient (EIQ) method. Commonly used 12 herbicides were selected for the assessment of EIQ in order to know what the eco-friendly herbicides to be used. EIQ values were calculated for one hectare using EIQ calculator which is available online at http:// www. nysipm. cornell. edu/ EIQ Calc. Among the selected herbicides, Propanil 360 g/1 EC showed the highest field use EIQ of 41.2 having the biggest impact. Ethoxysulfuron 15% WG had the lowest field use EIQ of 0.1 with the lowest impact. Ecological impact of MCPA 600g/1 SL, MCPA 400g/1 SL and Glyphosate 360g/1 SL was also higher in comparison to other herbicides. AZi171 sulfiron 50% WG, Bispyribac sodium 100g/1, Bispyribac sodium 20% WP, Penoxulam 240g/ 1SC, Cyhalofop-butyl 100g/1, Fenoxaproppethyl 75g/1 EW, Ethoxysulfuron 15% WG and Carfentrazone-ethyl 240g/ 1 EC have shown lower field use EIQ and therefore they were more environmental friendly herbicides.en_US
dc.identifier.isbn9789550481194
dc.identifier.urihttp://erepo.lib.uwu.ac.lk/bitstream/handle/123456789/1357/36-2018-Assessment%20of%20Environmental%20Impact%20of%20Selected%20Herbicides%20Used%20in%20.pdf?sequence=1&isAllowed=y
dc.language.isoenen_US
dc.publisherUva Wellassa University of Sri Lankaen_US
dc.subjectAnimal Sciencesen_US
dc.subjectAgricultureen_US
dc.subjectAnimal Productionen_US
dc.subjectAnimal Production Technologyen_US
dc.titleAssessment of Environmental Impact of Selected Herbicides Used in Rice Farming in Sri Lankaen_US
dc.title.alternativeInternational Research Conference 2018en_US
dc.typeOtheren_US
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International Research Symposium of UWU-2018