摘要
防护林更新方式是影响防护林持续防护效益发挥的重要措施。本文比较了加拿大杨不同更新方式对树木生长的影响 ,并确定了该地区加杨的不同更新年龄。
Regeneration method of shelter forest can influence sustainable protective benefit. Different regeneration methods of P. canadensis Moench can influence the tree growth. And the different regeneration ages of P. canadensis Moench in this district have been determined.
出处
《内蒙古林业科技》
2000年第1期33-35,共3页
Journal of Inner Mongolia Forestry Science and Technology
