华北地区杨树良种基地管理技术研究
摘 要:杨树作为国家良种资源,是北方地区绿化种植的重要树种之一。该文阐述了华北地区杨树良种基地培育取得的成效,分析了杨树良种培育的重要性,介绍了杨树良种培育的主要技术措施,剖析了基地管理中存在的主要问题,并提出了未来培育的主要方向和对策建议,以期为北方地区杨树良种的培育和繁殖提供参考。
关键词:杨树;良种;基地管理;华北地区
中图分类号 S792.11 文献标识码 A 文章编号 1007-7731(2022)05-0097-03
Abstract: Poplar, as a national excellent seed resource, is one of the important tree species for greening planting in North China. This paper expounds the achievements of poplar good seed base cultivation in North China, analyzes the importance of poplar good seed cultivation, adds the main technical measures for Poplar good seed cultivation, and analyzes the main problems existing in base management, The main directions and suggestions for future cultivation were put forward, which provided a reliable basis for the cultivation and reproduction of good poplar species in North China.
Key words: Poplar species; Seeds; Base management; North China
我国森林资源匮乏,木材对外依存度已超过50%。(剩余4521字)