- Volume 32 Issue 2
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Harvesting Cost and Productive of Tree-Length Thinning in a Pinus densiflora Stand Using the Tower Yarder (HAM300)
Cho, Minjae;Cho, Koohyun;Jeong, Eungjin;Lee, Jun;Choi, Byoungkoo;Han, Sangkyun;Cha, Dusong
- 투고 : 2016.04.14
- 심사 : 2016.05.06
- 발행 : 2016.05.31
Logging equipment and method have a major influence on harvesting productivity and cost. This study investigated the productivity and operational costs of tree-length cable yarding system using HAM300, a domestically developed tower yarder. We tested HAM300 for thinning operation in Pinus densiflora stands at Gangreung, Gangwon-do on April, 2014. To assess the productivity we conducted time study for each stage of the operation. When the average time/cycle was examined for each stage of the operation, the longest was for yarding (241 sec), followed by delimbing (237 sec), felling (153 sec), and processing (103 sec). Furthermore, productivity for felling was
cable logging;harvesting cost;tower yarder;tree-length logging
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연구 과제번호 : 산림자원조성 및 생산성 향상 연구
연구 과제 주관 기관 : 국립산림과학원