造林成败的关键,在于作好幼林的抚育管理。抚育管理是提高幼林成活和加速生长的主要措施。 抚育管理的好坏,对幼林的速生丰产和水土保持关系很大。在同样的树种、同样的立地条件下,由于抚育管理的不同,林木生长快慢差异很大。据河北省张北县林科所调查,幼龄管理情况与生长的关系见表1 The key to the success or failure of afforestation lies in the care management of young forests. Tending management is the main measure to improve the survival and growth of young forest. The quality of tending and management has a great bearing on the fast growing yield and water and soil conservation of young forests. In the same species, the same site conditions, due to the different management, tree growth vary widely. Zhangbei County, Hebei Province, according to the survey by Linke, juvenile management and growth of the relationship shown in Table 1