欧洲云杉
- 网络european spruce;picea abies
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欧洲云杉引种研究
Studies on introduction of Picea abies
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光周期具有抑制苗木早期休眠,延长其生长期的作用,具有促进欧洲云杉苗木生长的作用,其在形态指标和生物量上表现得极显著。
Photoperiod has the impact of inhibiting early dormancy of seedling , prolonging growth time and accelerating growth of Picea abies seedling , which is extremely significant on the morphological index and biomass .
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的频度远大于欧洲云杉林分的频度。欧洲云杉林分各层土壤(腐殖质层、0~10cm矿物质土壤层和11~30cm矿物质土壤层)的酸度稍大于桦树林分各层土壤的酸度。
Each soil layer ( humus , 0 ~ 10 cm and 11 ~ 30 cm ) in spruce quadrats indicated slightly higher acidity than in the birch quadrats .
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欧洲云杉嫩枝扦插育苗技术
Vegetative Propagation Technique of Norway Spruce by Softwood Cuttage
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欧洲云杉热处理的研究
Study on Thermal modification of European Spruce
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细胞分裂素和硝酸铵对欧洲云杉不定芽伸长的影响(英文)
Influence of Cytokinin and Ammonium Nitrate on Elongation of Adventitious Buds in Norway Spruce ( Picea abies )
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我们于1980年开展了欧洲云杉、日本冷杉、欧洲赤松等几种工业用材针叶树种引种选择研究。
We developed a study on introduction and selection for several kinds of industrial timber conifer species such as European spruce , Japanese fir and Scotch pine .
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研究结果表明:欧洲云杉、日本冷杉、欧洲赤松的生长量分别比对照油松大16%~28%,19%,228%。
The result shows that increment for European spruce , Japanese fir and Scotch pine is 16 % ~ 28 % , 19 % and 22.8 % higher than that of contrast Chinese pine in order .
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沙质插壤上各树种生根率分别达欧洲云杉77.5%、白云杉52%、黑云杉44.5%,东部白松在锯末插壤上扦插生根率为35%。
The results indicated that in sandy cutting medium root growing rate of cuttings of Picea abies , P. glauca and P.mariana were 77.5 % , 52 % and 44.5 % respectively , while in saw dust cutting medium 35 % of cuttings of Pinus strobus had roots .
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所以,和欧洲白云杉或者恩氏云杉比较起来,制造商更能够容忍西加云杉的颜色变化。
For this reason it is my opinion that manufacturers will tolerate more color variation in Sitka spruce than in the whiter spruces such as European or Engelmann .
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欧洲北部和亚洲的一种高大的云杉;与欧洲云杉相似。
Tall spruce of northern Europe and Asia ; resembles Norway spruce .