They are main afforestation of many countries in the world species, which are also important resource of tree species industrial plantation and ecological protective forest in China, because they are rapid growth, strong resistance, wide accommodation.
它生长迅速、抗逆性强、适应范围广,是世界上许多国家的重要造林树种,也是我国工业用材林和生态防护林建设的重要树种资源。
参考来源 - 银白杨与84K杨、毛白杨杂交及杂种苗的初选研究·2,447,543篇论文数据，部分数据来源于NoteExpress
坡地人工植被的生态效益防护林—桔园模式优于无防护林桔园模式。
The ecological effect of the orchard-shelterbelt model is better than that of the orchard model in the gental sloping fields.
三北防护林体系工程是一项宏伟的千秋工程，她不仅是中国生态环境建设的伟大创举，也是全球生态环境建设的重要组成部分。
Noted as a great splendid program, the three north shelterbelt program is not only a pioneering work in China's eco-construction, but also the important part of national eco-construction.
生态环境林、城市防护林建设，天然林资源保护，水土保持，林业苗木生产及综合利用开发等。
Construction of ecological environment forest, urban protection forest, water and soil conservation, production and comprehensive utility and development of nursery stock.
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