搜索结果: 1-6 共查到“林业测量学 spruce”相关记录6条 . 查询时间(0.077 秒)
Detrending ability of several regression equations in tree-ring research: a case study based on tree-ring data of Norway spruce (Picea abies [L.])
radial increment growth functions empirical fitting tree-ring indices dendroclimatology
2015/3/27
The aim of this study was to investigate tree-ring width variability and to distinguish groups of trees with similar growth trends in order to study tree growth responses to various stand and site con...
Development of foliage biomass of young spruce and beech stands in the mountain water balance research area
Norway spruce European beech young stand
2015/3/16
The investigation of foliage biomass development including LAI and the growth of spruce and beech stands in the juvenile stage (age 1 to 21 years) represents a special complementary study to long-term...
Variability of spruce (Picea abies [L.] Karst.) compression strength with present reaction wood
strength parallel to grain spruce compression wood
2015/3/16
The aim of research was to find out the variability of spruce (Picea abies [L.]) Karst.) wood compression strength limits in the direction parallel to grain. The wood strength was examined using sampl...
Variability in density of spruce (Picea abies [L.] Karst.) wood with the presence of reaction wood
spruce density compression wood
2015/3/6
The study was aimed to assess the integral value that determines wood properties − wood density at a moisture content of 0% and 12%. The wood density was researched in a sample tree with the pre...
Determination of the pressing parameters of spruce water-resistant plywood
veneer plywood construction statistical evaluation
2015/3/6
The paper summarizes results of operations aimed at determining the pressing parameters of spruce water-resistant plywood and testing the suitability of particular constructions of plywood. Constant a...
Prosperity of spruce plantation after application of dolomitic limestone powder
liming forest soils soil properties
2015/1/29
The subject of this paper was to assess the effects of pulverised dolomitic limestone applications on prosperity of Norway spruce (Picea abies L.) plantation and on the soil in extreme ecological cond...