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Matti Jalava

Havaintoja puun aseman vaikutuksesta puun ominaisuuksiin

Jalava M. (1934). Havaintoja puun aseman vaikutuksesta puun ominaisuuksiin. Acta Forestalia Fennica vol. 40 no. 9 article id 7286. https://doi.org/10.14214/aff.7286

English title: Influence of the position of a tree in the stand upon the properties of the wood.

Abstract

The growth of a tree is influenced by inherited properties and external circumstances, including climate, soil, the position of the tree in the stand, and the position of the wood in the stem. The tree species have optimum climate and optimum conditions. The aim of this study was to determine if the summerwood content of the wood of Scots pine (Pinus sylvestris L.) is dependent on the rate of growth of the tree. Comparing the position of the sample trees in the stand, it seems that the position of the tree and the size of its crown influences strongly the quality of the wood. In a dense stand the summerwood content was higher in the trees that had small crowns. Thinning of the stand decreased the difference in summerwood content of the trees.

The PDF includes a summary in English.

Original keywords
puuaine; mänty; puun mekaaniset ominaisuudet; lujuus; puun laatu; kesäpuu; latvus; harvennushakkuu

English keywords
properties of wood; Scots pine; Pinus sylvestris; strength of wood; summerwood; crown; thinning

Published in 1934

Available at https://doi.org/10.14214/aff.7286 | Download PDF

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