Markku Halinen. (1985). Männyn nuoruusvaiheen kasvunopeuden vaikutus sahatavaran laatuun. Silva Fennica vol. 19 no. 4 article id 5251. https://doi.org/10.14214/sf.a15430

English title: The effect of the growth rate of young Scots pine on the quality of sawn goods.

Original keywords: mänty; kasvunopeus; sahatavaran laatu; tukin koko; nuoruusvaihe

English keywords: Pinus sylvestris; Scots pine; ring width; diameter growth; sawlogs; quality of timber; sawn goods; early growth

Abstract | View details | Full text in PDF | Author Info

Totally 653 battens and planks sawn from butt logsof Scots pine (Pinus sylvestris L.) were chosen from 3 saw mills. The sawn goods were sorted according to normal sorting principles. In order to determine growth rate in the youth, the mean value of the average ring width was measured at the butt end at various distances from the pith.

The average ring width increased as the quality of the sawn goods decreased. The difference between the quality classes in ring width was measured between 2 and 4 cm from the pith. As the size of sawn goods, and, simultaneously, the log size increased, the average ring width increased in a given quality class. Research reinforced previous results, in which slow diameter growth of young Scots pines has been shown to reflect the good quality of sawn goods.

The PDF includes a summary in English.

Halinen, E-mail: mh@mm.unknown

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