Comparison of Wood Quality of Douglas Fir and Spruce from Afforested Agricultural Land and Permanent Forest Land in the Czech Republic

被引:26
作者
Zeidler, Ales [1 ]
Boruvka, Vlastimil [1 ]
Schonfelder, Ondrej [1 ]
机构
[1] Czech Univ Life Sci Prague, Fac Forestry & Wood Sci, Dept Wood Proc, Prague 16500, Czech Republic
来源
FORESTS | 2018年 / 9卷 / 01期
关键词
afforested farm land; Douglas fir; Norway spruce; Scots pine; wood properties; density; modulus of rupture; WESTERN HEMLOCK; DENSITY; AGE; FERTILIZATION; GROWTH; STANDS; SITES;
D O I
10.3390/f9010013
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
This study compares the quality of wood from two distinct sites in the Czech Republicfrom former afforested agricultural land and forest land. We compared the properties of Norway spruce wood (Picea abies Karst.) and Scots pine wood (Pinus sylvestris L.), the most important domestic tree species, to Douglas fir (Pseudotsuga menziesii (Mirbel) Franco), a North American tree species and a potential substitute for the domestic spruce. Wood density, modulus of elasticity (MOE), modulus of rupture (MOR) and impact bending strength were the properties tested that were used for comparing tree species. Without taking into consideration the site, the highest density values from the tested tree species were obtained for Douglas fir (0.568 gcm(-3)), followed by the pine (0.508 gcm(-3)) and the spruce (0.463 gcm(-3)). The Douglas fir also dominated in the remaining assessed properties, whilst the influence of site was not confirmed, with the exception of MOE and MOR, and only for the Douglas fir wood, wherein higher values were obtained for forest land. In terms assessed Douglas fir properties, it exceeds the domestic softwoods and represents a possible suitable replacement for them. The site only plays a role in terms of the Douglas fir, and only for certain properties.
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页数:12
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