影响北方地区造林质量的若干因素与建议

Preliminary study on influential factors and suggestions of afforestation quality in the north China

近年来,我国每年的人工造林面积都在420万hm2以上,居世界首位。但有些地方对造林质量并没有引起足够重视,营造大面积的纯林,造林质量总体水平不高,容易引发大面积的病虫害。主要原因是营造林中未严格贯彻"适地适树"原则、后期抚育管护不到位和良种化水平不高等。本文针对这些问题提出了解决措施与建议。

The area of afforestation is over 4.2 millions hm2 every year in China,occupying No.1 area of the world.But the overall quality of the afforestation is comparatively worse,the major problems related to matching tree species with site conditions,popularizing superior tree species or varieties,backward supervision of tending and so on.This paper gives some reasonable suggestions to those problems.