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Poškodbe tal po strojni sečnji in spravilu lesa v redčenjih : diplomsko delo - univerzitetni študij = Soil damage after harvesting and forwarding in thinnings : graduation thesis - university studiesCerjak, BojanGozdno gospodarstvo Maribor je avgusta 2010 na raziskovalnih ploskvah na Pohorju in na Goričkem izvedlo prvo redčenje drogovnjakov s tehnologijo strojne sečnje. Na obeh objektih je bil uporabljen ... stroj za sečnjo Eco Log 580C in zgibni polprikoličar John Deere 1110. Namen diplomskega dela je bil preizkus metode snemanja sečnih poti, ugotoviti primernost uporabljenih strojevna izbranih objektih, ugotoviti razlike v globinah kolesnic po sečnji in po spravilu lesa ter vpliv sečnih ostankov na zmanjšanje globin kolesnic. Pred sečnjo je bilo na Pohorju postavljenih 42 profilov, na Goričkem pa 59. V času sečnje je ob profilih potekala meritev vlažnosti tal, po sečnji pa snemanje koordinat karakterističnih točk sečne poti. Enak postopek je sledil po spravilu lesa z zgibnim polprikoličarjem. Ob profilih se je merila tudi trdnost naravnih tal, naklon terena in število prehodov zgibnega polprikoličarja. Ugotovitve kažejo, da je bila uporabljena metoda primerna in dovolj natančna. Povprečne širine sečnih poti so na Pohorju 366 cm po sečnji in 369 cm izvozu lesa, na Goričkem pa 409 cm po sečnji in 417 cm po izvozu lesa. Širine sečnih poti so bile glede na razvojno fazo prevelike. Povprečna globina kolesnic je po obeh procesih enaka, na Pohorju 5 cm in na Goričkem 6 cm. Med procesoma ni značilnih razlik v globinah kolesnic. Z vidika globin kolesnic sta bila uporabljena stroja primerna, na vsakem objektu je bilo 91 % kolesnic manjših od 10 cm. Ugotovljen je bil ugoden vpliv sečnih ostankov na zmanjšanje globin kolesnic. Pri debelejši plasti sečnih ostankov so nastale manjše kolesnice in obratno.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [B. Cerjak], 2011Language - slovenianCOBISS.SI-ID - 3173030
Author
Cerjak, Bojan
Other authors
Košir, Boštjan, 1948-
Topics
strojna sečnja |
poškodbe tal |
kolesnice |
sečni ostanki
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Library/institution |
City | Acronym | For loan | Other holdings |
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Slovenian Forestry Institute, Forestry Library, Ljubljana | Ljubljana | GIS |
outside loan 1 cop.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Cerjak, Bojan | ![]() |
Košir, Boštjan, 1948- | 08157 |
Source: Personal bibliographies
and: SICRIS
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