THE EFFECT OF SOCIAL POSITION OF A TREE IN THE STAND AND SITE ON WOOD QUALITY OF SCOTS PINE ([i]Pinus sylvestris [/i]L.)
Journal Title: ELECTRONIC JOURNAL OF POLISH AGRICULTURAL UNIVERSITIES - Year 2008, Vol 11, Issue 2
Abstract
The study was an attempt to determine technical quality of pine wood coming from mature stands growing in fresh coniferous forests (Bśw) and fresh mixed coniferous forests (BMśw). This assessment was based on the share of conventional knotless elements in the total number of conventional elements in 5-meter butt logs [2]. Analyses indicate a significant effect of growth and development conditions (the site) as well as the social position of the tree in the stand on wood quality manifested in the share of knotless wood.
Authors and Affiliations
Tomasz Jelonek, Witold Pazdrowski, Arkadiusz Tomczak, Jarosław Szaban
Keywords
Related Articles
- EP ID EP151303
- DOI -
- Views 95
- Downloads 0
DETERMINANTS OF PROFITABILITY OF NON-LIFE INSURANCE[sup]1[/sup] COMPANIES IN POLAND DURING INTEGRATION WITH THE EUROPEAN FINANCIAL SYSTEM
The integration process of the Polish financial system with the European markets significantly affected profitability of the nonlife insurance sector in Poland. During this period, the level of invested capital and numbe...
DIFFERENT METHODS OF MODELING VIBRATIONS OF PLATES MADE OF FUNCTIONALLY GRADED MATERIALS
The subject of this paper are thin plates with a characteristic two-component structure: periodic in one direction and functionally variable in the second. This provides a gradient microstructure of the material properti...
ON THE LENGTH-SCALE EFFECT IN THE FREE VIBRATIONS OF PERIODICALLY RIBBED ELASTIC PLATES
The plates reinforced by ribs are being considered in the paper. For such plates, by assuming a periodic distribution of the ribs in the plate, the average model was being constructed, consisting the plate dynamics equat...
THE GROWTH DYNAMICS OF THE ACROTELM LAYER OF THE RAISED BOG „BÓR ZA LASEM” IN THE ORAWSKO-NOWOTARSKA BASIN
The paper presents assessment and results of research on the rate of annual increment of organic matter accumulated in the top, only slightly decomposed acrotelm layer of a raised bog, on the basis of the age of trees wh...
THE EFFECT OF VARIABLE ENVIRONMENTAL CONDITIONS ON DIMENSIONAL CHANGES IN THIN WOOD-BASED MATERIALS PART II. DESORPTION CHANGES
The study comprised an analysis of dimensional changes in thin wood-based boards caused by cyclical changes in relativehumidity at constant ambient temperature. Analyses were conducted on MDF, HDF, PB and OSB. As a resul...