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Effect of taper and sawing methods on log conversion among selected sawmills in Edo State, Nigeria
University of Benin, Nigeria.
University of Benin, Nigeria. (GoFP)ORCID iD: 0000-0002-8790-8964
University of Benin, Nigeria.
2016 (English)In: Nigerian Journal of Forestry, Vol. 46, no 1-2, p. 1-6Article in journal (Refereed) Published
Abstract [en]

This study was carried out to determine the effect of taper and sawing methods on log conversion among selected sawmills in Egor andOvia-North East Local Government Areas of Edo State. Ten representative sawmills and thirty round logs were sampled for eachspecies making a total of 300 logs based on the relative abundance of available timber species were sampled. The diameter of the logs,length and girth at small and large ends were measured before conversion. The data were analyzed using descriptive statistics. Theresults obtained showed that Egor Local Government Area has the highest frequency of the selected species representing 56% of totallogs sampled while Ovia North-East Local Government Area has 44% of total logs sampled. Conversion efficiency varied from 56.49to 76.26%. Factors such as inherent defect in the timber, age of the machine and the severity of the log taper affected conversionefficiency at the sawmills. Lumber recovery efficiency increases with bigger log, short log length and narrower taper. Therefore, logsize, taper and log length have positive relationship on lumber recovery efficiency.

Place, publisher, year, edition, pages
2016. Vol. 46, no 1-2, p. 1-6
National Category
Wood Science
Research subject
Technology (byts ev till Engineering), Forestry and Wood Technology
Identifiers
URN: urn:nbn:se:lnu:diva-81162OAI: oai:DiVA.org:lnu-81162DiVA, id: diva2:1297337
Available from: 2019-03-19 Created: 2019-03-19 Last updated: 2019-03-21Bibliographically approved

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Amiandamhen, Stephen

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Citation style
  • apa
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  • modern-language-association-8th-edition
  • vancouver
  • Other style
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • text
  • asciidoc
  • rtf