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Matti Kärkkäinen

Havaintoja kokopuuhakkeen tiheyden laskemisesta.

Kärkkäinen M. (1978). Havaintoja kokopuuhakkeen tiheyden laskemisesta. Silva Fennica vol. 12 no. 1 article id 4987. https://doi.org/10.14214/sf.a14841

English title: Observations on the calculations of the basic density of total tree chips.

Abstract

In this study two methods of determining the basic density of total tree chips are compared. The method of Mäkelä (1977) is based on the volumes of Scots pine, Norway spruce, birch, and alder in a logging area, and the age of the trees. In the other method the basic density of total tree chips is measured by the common displacement method. The correlation was 0,730 in the material of 22 logging areas. Besides this it was found that the basic density of chips increases as the size of the chip particles increases with the exception of the smallest particles.

The PDF includes a summary in English.

Original keywords
kokopuuhake; hake; menetelmät

English keywords
chips; basic density; methods

Published in 1978

Available at https://doi.org/10.14214/sf.a14841 | Download PDF

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