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Anggri Hervani
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Journal : Widyariset

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EFEKTIVITAS WAKTU PENGAMBILAN DAN PENGUKURAN CONTOH GAS RUMAH KACA PADA PENGELOLAAN AIR DI LAHAN SAWAH Anggri Hervani; A. Wiharjaka
Widyariset Vol 17, No 2 (2014): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (631.279 KB) | DOI: 10.14203/widyariset.17.2.2014.227-232

Abstract

The agricultural sector is one of the greenhouse gases (GHG) sources and sinks. Inventory of GHG emis­ sionsintheagriculturalsectorisdonebyapplyingtheprincipleof  measurable,reportable,verifiableorMRV, thusGHGmeasurement resultsarenotbiasedorunder/overestimate, reliable,andcheaper.The researchaimedto assess the most effective retrieval sampling time and measurement of greenhouse gas at different water manage­ mentsinricefield.Thefirstfactortreatmentwasthemanagementofirrigationwaterintheformsofcontinuous andintermittentirrigationusingarandomizedblockdesignwhichwasreplicatedthreetimes.Thesecondfactor treatmentwasthegassamplingtimeat6–7,9–10,12–13,15–16,and18–19.ObserveddatawasCO andCH fluxes.TheresultsshowedthatintermittentirrigationcouldreduceCH emissionsmorethan27%comparedto continuousirrigation.BasedonPearsoncorrelationvalue,samplingtimeandmeasurementofCO andCH were the most effective at 15–16 with correlation values of 0.901 and 0.984, respectively.
Co-Authors A. Wiharjaka