Management for improving timber quality Effect of spacing and thinning on knots in wood Various indicators, such as stem branching, quantity of knots in wood, basic density etc., can depict timber quality. Timber quality relates, therefore, to tree growth and growth allocation among the different parts of the tree. Although the genetic properties of the
Authors & references
Seppo Kellomäki, Pekka Niemelä, Heli Peltola, Veikko Koski and Pertti Pulkkinen
Turkia, K., and Kellomäki, S. 1987. Kasvupaikan viljavuuden ja puuston tiheyden vaikutus nuorten mäntyjen oksien läpimittaan. Abstract: Influence of the site fertility and stand density on diameter of branches in young Scots pines. Folia Forestalia 705: 1–16.
Oker-Blom, P. Kellomäki, S., Valtonen, E., and Väisänen, H. 1988. The structural development of Scots pine stand with varying initial density: a simulation model. Scandinavian Journal of forest Research 3: 185–200.
Väisänen, H. Kellomäki, S., Oker-Blom, and P.Valtonen, E. 1988. The structural development of Scots pine stand with varying initial density: a preliminary model for quality of swan timber as affected by silvicultural measures. Scandinavian Journal of forest Research 4: 223–238.
Tuimala A. Finnish Forest Research Institute. Unpublished material.
Kilpeläinen, A., Peltola, H., Ryyppö, A., Sauvala, K., Laitinen, K., and Kellomäki, S. 2003. Wood properties of Scots pine (Pinus sylvestris) grown at elevated temperature and carbon dioxide concentration. Tree Physiology 23: 889–897.
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