摘要
白山地区引种花旗松的限制因子是温度,花旗松的抗寒力随着造林年限的增加而提高。花旗松的生长高峰期在6月末到7月中旬,这时应加强对幼树的经营管理,以促进生长。
The planting trial of Pseudotsuga menxiesii in Baishan area showed that temperature is a limiting factor for the introduction of Pseudotsuga menziesii. The cold resistance increases with the years of it has been planted. The peakvalue in its growing season appeares in the late June to the middle July, the saplings should be well - managed in this phase to accelerate their growth.
出处
《吉林林业科技》
2006年第1期24-25,共2页
Journal of Jilin Forestry Science and Technology
关键词
花旗松
引种
生长节律
Pseudotsuga menziesii
introduction
growth rhythm
