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Porównanie wydajności i kosztów zrywki drewna długiego i krótkiego
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Abstrakty
Comparing the productivity and costs of extraction of long and short wood. The aim of the study was compare the effectiveness of extraction long and short wood, carried out on the same felling area. LKT 80 (set 1) and a Valtra 8050 farm tractor with Palms 10D forestry trailer equipped with Palms 4.70 hydraulic crane (set 2) were used for the experiment. Set 1 transported long timber (> 6.0 m) on an average distance of 365 m with an average load of 3.44 m3. Set 2 transported short timber 2.5 m long, an average distance of 500 m, with an average load of 6.90 m3. The unit cost per hour of extracting long timber with set 1 was € 38.93 h-1, and short timber with set 2 - € 31.68 h-1. In the order given, the efficiency of skidding for a distance of 500 m was: 7.05 m3h-1, 7.19 m3h-1; and direct costs of timber extraction was: 5.52 €m-3, 4.41€m-3. At distances >170 m, short timber extraction is more cost-effective than long timber extraction.
Celem badań było porównanie efektywności zrywki drewna długiego i krótkiego, prowadzonej na tej samej powierzchni zrębowej. Do doświadczenia wykorzystano ciągnik LKT 80 (zestaw 1) oraz ciągnik rolniczy Valtra 8050 z przyczepą leśną Palms 10D wyposażoną w żuraw hydrauliczny Palms 4.70 (zestaw 2). Zestaw 1 transportował długie drewno (> 6,0 m) na średnią odległość 365 m przy średnim ładunku 3,44 m3. Zestaw 2 transportował krótkie drewno o długości 2,5 m, na średnią odległość 500 m, przy średniej wielkości ładunku 6,90 m3. Jednostkowy koszt zrywki drewna długiego za pomocą zestawu 1 wyniósł 38,93 €h-1, a drewna krótkiego za pomocą zestawu 2 - 31,68 €h-1. Odpowiednio wydajność zrywki dla odległości 500 m wyniosła: 7.05 m3h-1, 7.19 m3h-1; a bezpośrednie koszty zrywki wyniosły: 5.52 €m-3, 4.41€m-3. Przy odległościach >170 m zrywka drewna krótkiego jest bardziej opłacalna niż zrywka drewna długiego.
Słowa kluczowe
Rocznik
Tom
Strony
64--76
Opis fizyczny
Bibliogr. 43 poz., tab.
Twórcy
autor
- Department of Agroecology and Forest Utilization, University of Rzeszów, Rzeszów, Poland, tdudek@ur.edu.pl
autor
- Department of Agroecology and Forest Utilization, University of Rzeszów, Rzeszów, Poland
Bibliografia
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- 20.KAAKKURIVAARA N., KAAKKURIVAARA T. (2018): Productivity and CostAnalysis of Three Timber Extraction Methods on Steep Terrain in Thailand. CroatianJournal of Forest Engineering 39: 213-221.
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- 23.KULAK D., SZEWCZYK G., STAŃCZYKIEWICZ A. (2023): Productivity andWorking Time Structure of Timber Forwarding in Flatland Thinned Pine Stand withthe Use of Farm Tractors. Croatian Journal of Forest Engineering 44: 57-67. https://doi.org/10.5552/crojfe.2023.1656.
- 24.LESZCZYŃSKI K., STAŃCZYKIEWICZ A., KULAK D., SZEWCZYK G., TYLEK P.(2021): Estimation of Productivity and Costs of Using a Track Mini-Harvester with aStroke Head for the First Commercial Thinning of a Scots Pine Stand. Forests 12,article id 870. https://doi.org/10.3390/f12070870.
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- 28.MIYAJIMA R.H., FENNER P.T., BATISTELA G.C., SIMÕES D. (2021): The Impactof Felling Method, Bunch Size, Slope Degree and Skidding Area on Productivity andCosts of Skidding in a Eucalyptus Plantation. Croatian Journal of Forest Engineering42: 381-390. https://doi.org/10.5552/crojfe.2021.879.
- 29.MOHAMMAD R.G. (2020): Reviewing productivity studies of skidders working inconiferous forests and plantations. Silva Balcanica 21: 83-98. https://doi.org/10.3897/silvabalcanica.21.e56071.
- 30.MOUSAVI R., NIKOOY M., ESMAILNEZHAD A., ERSHADIFAR M. (2012):Evaluation of full tree skidding by HSM-904 skidder in patch cutting of aspenplantation in Northern Iran. Journal of Forest Science 58: 79-87.
- 31.NASKRENT B., POLOWY K., GRZYWIŃSKI W., SOBCZAK A. (2019): Timberextraction in thinned stands using agricultural tractor coupled with a trailer with ahydraulic crane. Sylwan 163: 121-129. https://doi.org/10.26202/sylwan.2018109.
- 32. NUREK T., GENDEK A. (2016): The impact of selected logistic factors on the efficiencyand operational costs of forest machinery. Zeszyty Naukowe SGGW w Warszawie. Ekonomika i Organizacja Logistyki 1: 45-55.
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- 35.PROTO A.R., MACRÌ G., VISSER R., RUSSO D., ZIMBALATTI G. (2018):Comparison of Timber Extraction Productivity between Winch and Grapple Skidding:A Case Study in Southern Italian Forests. Forests 9, article id 61. https://doi.org/10.3390/f9020061.
- 36.SOSNOWSKI J., OBAJTEK B., ZIELIŃSKI T. (2004): The usefulness of a cable craneLarix 3T during the extraction in timber stands in the mountains. Sylwan 148: 11-21.
- 37.SOMAN H., KIZHA A.R., ROTH B.E. (2019): Impacts of silvicultural prescriptions andimplementation of best management practices on timber harvesting costs. InternationalJournal of Forest Engineering 30: 14-25. https://doi.org/10.1080/14942119.2019.1562691.
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- 39.SPINELLI R., OWENDE P.M., WARD S.M., TORNERO M. (2004): Comparison ofshort-wood forwarding systems used in Iberia. Silva Fennica 38: 85-94.
- 40.SPINELLI R., MAGAGNOTTI N. (2010): Performance and cost of a new miniforwarder for use in thinning operations. Journal of Forest Research 15: 358-364. https://doi.org 10.1007/s10310-010-0193-x.
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- 42.STEMPSKI W. (2012): Effects of wood layout on the load forming time with a forwarder. Nauka Przyroda Technologie 6, 75.
- 43.SUHARTANA S., YUNIAWATI (2023): Skill of Skidding Equipment Operator in Relation to Productivity, Skidding Cost and Subsidence in Peat Swamp ForestPlantation. Croatian Journal of Forest Engineering 44: 69-81. https://doi.org/10.5552/crojfe.2023.1724.
Uwagi
Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).
Typ dokumentu
Bibliografia
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Identyfikator YADDA
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