Effects of protection treatments on prevent log checking (Case study: Kheyrud forest)
2017
meghdad Jourgholami
The remaining the logs in the stump area and especially along the forest roadside, can increase the check in the caused by growth stress in the both sides of log. All of these factors led to a decline in the quality of the logs, which can be lined up in the ends of log with suitable coating materials such as end coating and anti-checking iron treatments to prevent log checking. A field-based study was performed to study the effects of end coating and anti-checking iron treatments on prevent log checking in beech and hornbeam logs in Gorazbon district in Kheyrud forest northern Iran. In this study, 180 logs were randomly selected from two spices; beech and hornbeam and for any spices, 30 logs were selected for anti-checking iron treatments, 30 logs for paraffin treatments and 30 logs for control. Duncan’s test showed that in the hornbeam logs anti-checking iron treatments was the lowest checking increase comparing the paraffin and control treatments and this difference was statistically significant. Duncan’s test showed that in the beech logs anti-checking iron treatments was the lowest checking increase comparing the paraffin and control treatments. It can be concluded that the lowest check has been shown in the anti-checking iron treatments in two beech and hornbeam logs and this treatment has the greatest role in preventing ends check in compare with the paraffin treatment.
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