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Pruning in poplar plantations by mechanized device Stihl HT-75

dc.creatorDanilović, Milorad
dc.creatorĐorđević, Zoran
dc.date.accessioned2024-12-20T12:00:28Z
dc.date.available2024-12-20T12:00:28Z
dc.date.issued2009
dc.identifier.issn0353-4537
dc.identifier.urihttps://omorika.sfb.bg.ac.rs/handle/123456789/276
dc.description.abstractU radu su prikazani rezultati istraživanja efekata rada uređaja za orezivanje grana Stihl HT 75. Orezivanje je izvršeno na oglednim površinama na području ŠU Kupinovo i ŠU Klenak, u zasadima topole Populus×euramericana 'I-214', Populus×euramericana 'M1' i Populus deltoides različitog razmaka sadnje i različite starosti. Faktori izdvojeni kao predmet analize su: način orezivanja, stanišni uslovi, broj odrezanih grana, visina orezivanja, prečnik grane i dr. Snimanje je izvršeno po protočnom metodu merenja vremena, a potrebn broj snimanja izračunat je na bazi varijacione statistike. Na osnovu rezultata analize varijanse utvrđena je statistička značajnost razlika između vremena orezivanja različitih vrsta klonova, različitog razmaka sadnje i različite starosti zasada. Rezultati analize varijanse i statističkih testova pokazuju da između prosečnog vremena orezivanja topola u zasadima iste starosti i različitog razmaka sadnje ne postoje statistički značajne razlike. Veza između vremena orezivanja grana i broja odrezanih grana na stablu predstavljena je modelom stepene funkcije, koji prema rezultatima izvršene regresione analize najbolje predstavlja prirodu ove zavisnosti. Eksponencijalnom funkcijom predstavljena je veza između prosečnog prečnika odrezanih grana vremena prerezivanja. Pored toga, ustanovljena je zavisnost između prosečnog prečnika odrezane grane i utroška energenata. Vreme orezivanja stabala topole raste sa povećanjem prosečnog prečnika grana odrezanih na stablu.sr
dc.description.abstractThe effects of branch pruning device Stihl HT-75 were researched on sample plots in FA Kupinovo and FA Klenak, in poplar plantations of Populus×euramericana 'I-214', Populus×euramericana 'M1' and Populus deltoides of different planting spaces and different ages. The analysed factors were: pruning method, site conditions, number of pruned branches, pruning height, branch diameter, etc. Time measurement was performed by the flow method, and the required number of measurements was calculated by variation statistics. The results of the analysis of variance show the statistical significance of the differences between pruning times of different clone species, different planting spaces and different plantation ages. The results of the analysis of variance and statistical tests show that there are no statistically significant differences between the average time of poplar pruning in plantations of the same age and different planting spaces. The correlation of branch pruning time and the number of pruned branches is represented by the power function model, which according to the results of the regression analyses, is the best representation of the nature of this dependence. Exponential function represents the correlation of the average diameter of pruned branches and the time of pruning. Also, there is a correlation of the average diameter of pruned branches and fuel consumption. Pruning time of poplar trees increases with the increase of the average diameter of pruned branches.en
dc.publisherUniverzitet u Beogradu - Šumarski fakultet, Beograd
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceGlasnik Šumarskog fakulteta
dc.subjectvreme orezivanjasr
dc.subjectrazmak sadnjesr
dc.subjectprečnik granesr
dc.subjectorezivanje stablasr
dc.subjectmehanizovani uređaj za orezivanje stabala Stihl HT-75sr
dc.subjectbroj odrezanih granasr
dc.subjectpruningen
dc.subjectpruning timeen
dc.subjectplanting spaceen
dc.subjectnumber of pruned branchesen
dc.subjectmechanised branch pruning device Stihl HT-75en
dc.subjectbranch diameteren
dc.titleOrezivanje grana u zasadima topole mehanizovanim uređajem Stihl HT-75sr
dc.titlePruning in poplar plantations by mechanized device Stihl HT-75en
dc.typearticle
dc.rights.licenseBY
dc.citation.epage57
dc.citation.issue99
dc.citation.other(99): 43-57
dc.citation.spage43
dc.identifier.doi10.2298/GSF0999043D
dc.identifier.fulltextomorika.sfb.bg.ac.rs/bitstream/id/564/273.pdf
dc.identifier.rcubconv_303
dc.type.versionpublishedVersion


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