broj: 11-12/2022
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| RIJEČ UREDNIŠTVA | ||
| Uredništvo | ||
| At the end of 2022 pdf HR EN | 473 | |
| IZVORNI ZNANSTVENI ČLANCI | ||
| Nikola Pernar, Darko Bakšić, Mario Ančić, Ivan Perković | UDK 630* 114 (001) https://doi.org/10.31298/sl.146.11-12.1 | |
| Chemical properties of topsoil in relation to lithology and geomorphology of high karst pdf HR EN | 475 | |
| Milica Kovač, Branislav Kovačević, Lazar Kesić, Erna Vastag, Vanja Vuksanović, Saša Orlović | UDK 630* 231 (001) https://doi.org/10.31298/sl.146.11-12.2 | |
| Variability and discrimination power of anatomical parameters in Juglans regia half-sib lines originating from natural stands in Đerdap gorge, Serbia in nursery conditions pdf HR EN | 487 | |
| Milorad Danilović, Ljupčo Nestorovski, Slavica Antonić, Vladimir Puđa, Vladimir Ćirović | UDK 630* 360 (001) https://doi.org/10.31298/sl.146.11-12.3 | |
| Cost-effectiveness analysis of harvester John Deere 1470D Eco III in poplar (Populus × Canadensis) plantations – case study pdf HR EN | 497 | |
| Summary In the last few years, harvesters have been increasingly used in stands of deciduous tree species. The use of harvesters in Serbia began in 2008 with John Deere 1470D Eco III and it was used for felling trees and production of wood assortments in poplar plantations in the lowland area. The aim of this paper is to determine maximum profit by engaging a harvester in the given conditions, as well as to determine the total costs of the asset. Harvester achieved a total of 18,392 machine hours (MH), with an average of 1,415 hours per year. The average fuel consumption during the entire period was 16.3 l/h, or 0.76 l/m3. The highest cost of spare parts was in the 6th year (around 66,000 euros) and in the 12th year (around 82,000 euros). The total cost of spare parts and services was 656,878 euros. Based on the planning that the number of work days per year is 200, an amortization period of 7 years is obtained (the point of intersection of current and average profit growth). Results of this research indicate that harvesters older than 7 years should be replaced with new machines, due to high maintenance costs. However, these are only initial researches, which will be continued with data on several harvesters that have been procured in the meantime. Key words: harvester; poplar plantations; costs; productivity; amortization | ||
| Fahrettin Atar | UDK 630* 164 (001) https://doi.org/10.31298/sl.146.11-12.4 | |
| Population Variability of Common Hornbeam (Carpinus betulus L.) in North-Eastern Part of Turkey According to the Involucre Morphology pdf HR EN | 507 | |
| Korhan Enez, Gamze Savaci, Temel Sariyildiz | UDK 630* 114 (001) https://doi.org/10.31298/sl.146.11-12.5 | |
| Effects of logging residues and skid roads on litter decomposition rate and nutrient release of black pine (Pinus nigra Arnold) and scots pine (Pinus sylvestris L.) pdf HR EN | 517 | |
| Linda Bjedov, Marko Vucelja, Josip Margaletić | UDK 630* 159 (001) https://doi.org./10.31298/sl.146.11-12.6 | |
| Influence of body size and coloration on the mate choice in striped stink bug (Graphosoma lineatum L.) (Hemiptera: Pentatomidae) pdf HR EN | 529 | |
| PREGLEDNI ČLANCI | ||
| Goran Matijević, Velibor Peulić, Marijan Cesarik, Željko Zečić, Matija Landekić | UDK 630* 304 + 964 https://doi.org/10.31298/sl.146.11-12.7 | |
| General qualification of injuries of road accident participants with reference to forestry pdf HR EN | 535 | |