INITIAL PLANTING DENSITY EXPERIMENTS OF NARROW-LEAVED ASH IN TURKEY: TEN-YEAR RESULTS

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dc.contributor.authorOzbayram, Ali Kemal
dc.contributor.authorCicek, Emrah
dc.date.accessioned2021-12-01T18:46:54Z
dc.date.available2021-12-01T18:46:54Z
dc.date.issued2020
dc.department[Belirlenecek]en_US
dc.description.abstractNarrow-leaved ash (Fraxinus angustifolia subsp. oxycarpa Vahl.) is a source of valuable wood in Europe and plantations produce high yields in Turkey. Initial planting density plays an important role in plantation silviculture and affects the growth and quality of trees as well as establishment costs. This study aimed to determine the ten-year effects of initial planting density on tree growth and quality of narrow-leaved ash. In 2004, three replications of four initial planting densities (1111, 1667, 2500 and 3333 stem ha(-1)) were established in a randomized block design in Adapazan, Turkey. After ten growing seasons, no mortality was seen in all of four planting densities. The initial planting density had no effect on mean stem diameter; however, with the initial planting density increase from 1111 to 3333 stem ha(-1), mean tree height was significantly increased and live crown ratio decreased. The H/D ratios at planting densities of 2500 and 3333 stem ha(-1) were 21% higher than at lower planting densities. Aboveground dry biomass increased with increasing initial planting density at the stand level, although individual tree sizes were similar. In general, tree form and branch characteristics were improved when initial planting density was increased. Results suggest that on lowland sites where intensive weed competition occurs, higher initial planting density at 2500-3333 stems ha(-1) is recommended for narrow-leaved ash plantations.en_US
dc.description.sponsorshipScientific and Technological Research Council of TurkeyTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [TUBITAK TOGTAG-3336]en_US
dc.description.sponsorshipWe would like to thank our colleagues (E. Cicek, M. Yilmaz, D. Esen, S. Kulac, B. Cetin and N. Cicek) who set up the initial spacing trial in 2004 and the Scientific and Technological Research Council of Turkey (grant number TUBITAK TOGTAG-3336) for supporting them. We give special thanks to the Akyazi Forest Enterprise Directorate for their permission and help. Special thanks are extended to Nuriye Peaci for English editing.en_US
dc.identifier.doi10.31298/sl.144.5-6.4
dc.identifier.endpage278en_US
dc.identifier.issn0373-1332
dc.identifier.issn1846-9140
dc.identifier.issue5-6en_US
dc.identifier.scopus2-s2.0-85093363947en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage269en_US
dc.identifier.urihttps://doi.org/10.31298/sl.144.5-6.4
dc.identifier.urihttps://hdl.handle.net/20.500.12684/10045
dc.identifier.volume144en_US
dc.identifier.wosWOS:000594747400005en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherCroatian Forestry Socen_US
dc.relation.ispartofSumarski Listen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectGrowthen_US
dc.subjectTraxinus angustifoliaen_US
dc.subjectinitial spacingen_US
dc.subjectstockingen_US
dc.subjecttree qualityen_US
dc.subjectTurkeyen_US
dc.subjectLong-Term Changesen_US
dc.subjectEucalyptus-Pilularisen_US
dc.subjectThinning Intensityen_US
dc.subjectBranch Propertiesen_US
dc.subjectEarly Growthen_US
dc.subjectStem Formen_US
dc.subjectIncrementen_US
dc.subjectTaperen_US
dc.subjectSilvicultureen_US
dc.subjectPlantationen_US
dc.titleINITIAL PLANTING DENSITY EXPERIMENTS OF NARROW-LEAVED ASH IN TURKEY: TEN-YEAR RESULTSen_US
dc.typeArticleen_US

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