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北方适生大乔木会走强一直以来

网址:www.jiazanmiaomu.com  2021-05-18  作者:admin    阅读:

北方适生大乔木会走强一直以来,北方应用的乔木都很单调,近几年随着引种开发,很多树种被挖掘出来将发挥越来越重要的作用。
In recent years, with the introduction and development, many tree species have been dug out and will play an increasingly important role.
落叶乔木中我看好丝棉木,其适应性强,抗寒、耐水湿干旱和盐碱,从东北到西北都能种植,三北防护林指挥部已将其定为主要造林树种,预计今后几年用量很大。丝棉木还可嫁接北海道黄杨、大叶黄杨、扶芳藤等常绿树种。目前其价格已经涨起来了,胸径5厘米的苗要60元,但上涨空间仍大。
Among the deciduous trees, I prefer ceiba, which has strong adaptability, cold resistance, water resistance, drought resistance and saline alkali resistance. It can be planted from northeast to northwest. The headquarters of three North Shelterbelt has designated it as the main afforestation tree species, and it is expected to use a lot in the next few years. Gossypium can also be grafted with Hokkaido Euonymus japonicus, Euonymus japonicus, Euonymus fortunei and other evergreen trees. At present, its price has gone up. The seedling with diameter at breast height of 5cm costs 60 yuan, but there is still a big room for increase.
其次是连香树,实践证明其能在北京安全过冬,目前北京植物园种的连香树长势很好。该树种为高大乔木树形、树叶均十分美观,木材也很好,可以作为北方的行道树,同时是国家一级保护树种,非常珍贵。
The second is Lianxiang tree, which has been proved to be safe in winter in Beijing. At present, Lianxiang tree planted in Beijing Botanical Garden is growing well. It is a tall tree with beautiful tree shape, leaves and good wood. It can be used as a roadside tree in the north. It is also a national first-class protected tree species and is very precious.

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