Приказ основних података о документу

Jednofazna žetva semena žutog zvezdana univerzalnim žitnim kombajnom

dc.creatorKoprivica, Ranko
dc.creatorVeljković, Biljana
dc.creatorTuran, Jan
dc.creatorPajić, Miloš
dc.creatorMiodragović, Rajko
dc.creatorRadojević, Rade
dc.date.accessioned2020-12-17T21:05:50Z
dc.date.available2020-12-17T21:05:50Z
dc.date.issued2014
dc.identifier.issn0350-2953
dc.identifier.urihttp://aspace.agrif.bg.ac.rs/handle/123456789/3566
dc.description.abstractThe biggest problem in seed birdsfoot trefoil harvest is pod cracking before and during harvest. At full maturity, birdsfoot trefoil pods crack easily, resulting in seed spillage and hence seed losses. The cracking pod problem significantly limits the successful production of seeds. Exploitation indices, operational performance and reliability of a used general-purpose Claas Mercator 50 combine harvester in harvesting birdsfoot trefoil seed were studied. The testing was carried out in field conditions in Western Serbia area. The losses of grain over the cutter bar and over the threshing machine were found out.Total header and thresher losses ranged from 21.28% to 23.86% at an operating speed of 2.04 km/h and 2.63 km/h, respectively. This is an expected result for the crop under increased crop moisture conditions. There was loss of operating time i.e. congestion of unharvested grain due to increased operating rate, seed moisture and straw. Time consumption for elimination of harvesting delay at a rate of 2.63 km/h was higher than at a rate of 2.04 km/h and accounted for 13.48% of the total operating time. The research also involved monitoring of intensity pod cracking during the day depending on air temperature. Birdsfoot trefoil pod opening intensity increased of starts after 11 a.m. at air temperatures over 30 0 C when 80-90% of pods crack at 17- 20% moisture.en
dc.description.abstractU žetvi semena žutog zvezdana najveći problem predstavlja otvaranje mahuna pre i toku žetve. U punoj zrelosti mahune žutog zvezdana lako se otvaraju i seme se prosipa što dovodi do gubitaka. Problem otvaranja mahuna u značajnoj meri limitira uspešnu proizvodnju semena. Istraživani su eksplatacioni pokazatelji, kvalitet rada i pouzdanost starog univerzalnog žitnog kombajna 'Claas Mercator 50' u žetvi semena žutog zvezdana. Ispitivanje je obavljeno u poljskim uslovima Zapadne Sbije. Ustanovljeni su gubici na hederu i vršalici kombajna. Ukupni gubici hedera i vršalice na ispitivanom kombajnu iznosili su od 21,28% do 23,86% pri radnim brzinama 2,04 km/h i 2,63 km/h, što se moglo i očekivati za pomenuti kombajn i ovu kulturu u uslovima povećane vlažnosti useva. Tokom rada kombajna dolazilo je do zastoja tj. zagušenja vršidbene mase, usled povećane radna brzina, vlažnosti semena i slame. Utrošeno vreme za otklanjanje tehnoloških zastoja kod radne brzine od 2,63 km/h bilo je veće nego kod brzine od 2,04 km/h i iznosilo je 13,48% od ukupnog radnog vremena. Intenzitet pucanja u toku dana zavisno od temperature je takođe bio predmet ispitivanja ovog rada. Povećani intenzitet otvaranja mahuna počinje posle 11 sati, pri temperaturi vaduha preko 30 0 C kada se otvori 80-90% mahuna vlažnosti od 17- 20%.sr
dc.publisherNacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/31051/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/31073/RS//
dc.rightsopenAccess
dc.sourceSavremena poljoprivredna tehnika
dc.subjectseed harvesten
dc.subjectbirdsfoot trefoilen
dc.subjectpod crakingen
dc.subjectseed losses during harvester operationen
dc.subjectuse of Nu-Film and Gramoxone desiccanten
dc.subjectžetva semenasr
dc.subjectžuti zvezdansr
dc.subjectotvaranje mahunasr
dc.subjectgubci semena uradu kombajnasr
dc.subjectprimena Nu filma i desikanta Gramaxonsr
dc.titleSingle phase harvest of birdsfoot trefoil seed by general-purpose combine harvestersen
dc.titleJednofazna žetva semena žutog zvezdana univerzalnim žitnim kombajnomsr
dc.typearticle
dc.rights.licenseARR
dc.citation.epage160
dc.citation.issue3
dc.citation.other40(3): 151-160
dc.citation.rankM51
dc.citation.spage151
dc.citation.volume40
dc.identifier.doi10.5937/SavPoljTeh1403151K
dc.identifier.fulltexthttp://aspace.agrif.bg.ac.rs/bitstream/id/2155/3563.pdf
dc.type.versionpublishedVersion


Документи

Thumbnail

Овај документ се појављује у следећим колекцијама

Приказ основних података о документу