欧洲赤松种源间的差异仅在一年生时可以看到,两年生时就看不到。
气候变化与在爱沙尼亚和拉普兰的苏格兰松树生长和针动力学之间的关系(曹学柱译)
锌对外生菌根植物苏格兰松幼苗锌积累和光合作用的影响
结果表明:该地区的樟子松的生长状况要明显好于油松;
1·There are 521 species in the forest of Pinus sylvestris of Daxing'anling area, of which 35 species of lichen, 48 species of bryophyta, 441 species vascular plant.
大兴安岭樟子松林组成植物521种,其中包括地衣植物35种,苔藓植物48种,维管束植物441种;
2·Growth characteristics of 2-year-old seedlings from 10 introduced P. sylvestris L. ssp. kulendensis Sukaczw provenances were determined in contrast with' domestic Pinus sylvestris var. mongolica Litv.
以国内樟子松为对照,对引进的10个种源盐松2年生苗木生长性状进行了测定和分析。
3·What the biggest problem for planting Pinus sylvestris var. mongolica Litv. is easy to happen physiological drought. It can influence the survival and preserving rate of afforestation.
樟子松造林遇到的最大问题便是造林后易发生生理干旱,影响其造林成活率和保存率。
4·We chose the United States imported red oak, white oak, ash, tulip tree, elm Russian imports sylvestris are top quality original ecological timber.
我们选用美国进口红橡,白橡,水曲柳,鹅掌楸,俄罗斯进口的榆木,樟子松都是顶级原生态的优质木材。