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Time consumption and productivity analysis of timber trucking using two kinds of trucks in northern Iran
Hyrcanian forest Iran secondary transportation productivity cost
2015/4/24
Increasing productivity and reducing cost in long-distance transportation have become increasingly important in the logistics of forest harvesting operations. This paper presents the research results ...
Selection of European larch provenances based on productivity and economic values
growth production forest tree breeding
2015/4/24
Productivity of individual European larch provenances was evaluated on the basis of height and diameter growth and volume production at the age of 40 years. This work was focused on identifying differ...
Productivity and cost of farm tractor skidding
skidding operation continuous time study regression model forest system efficiency Iranian forest
2015/4/14
In this study, productivity rate and operation cost of farm tractor were evaluated in a mountainous natural forest. Data for the study came from a detailed time study in the Research and Educational F...
Effect of log length on productivity and cost of Timberjack 450C skidder in the Hyrcanian forest in Iran
Hyrcanian forest skidding Timberjack 450C short-log method long-log method
2015/4/14
This paper presents research results on the performance of the Timberjack 450C skidder in timber skidding at two working sites of broadleaved trees in mountainous conditions in the Hyrcanian forest. T...