首页 | 本学科首页   官方微博 | 高级检索  
     

修枝对迭部林区人工云杉林生长量影响
引用本文:宋占邦. 修枝对迭部林区人工云杉林生长量影响[J]. 陕西林业科技, 2009, 0(3)
作者姓名:宋占邦
作者单位:甘肃省迭部林业局综合设计队,甘肃,迭部,747401
摘    要:本文通过对迭部林区修枝抚育过的粗枝云杉(Picea asperataMast)林和未经人工经营的林分生长状况进行调查,并做解析木数据对比分析,结果表明:人工云杉林在经过较大强度修枝抚育管理后,导致3年内林分的生长量明显下降;同时发现修枝抚育期较早的人工林易受到雨雪冰冻等自然灾害;云杉人工林的抚育管理、间伐应在林木完全分化后进行。

关 键 词:粗枝云杉  人工林  修枝  生长量

Effect of Pruning on the Growth of Picea asperata Mast in Diebu
SONG Zhan-bang. Effect of Pruning on the Growth of Picea asperata Mast in Diebu[J]. Shaanxi Forest Science and Technology, 2009, 0(3)
Authors:SONG Zhan-bang
Affiliation:SONG Zhan-bang (Integrated Design and Planning Team; Diebu Forestry Bureau; Diebu; Gansu 747401);
Abstract:Investigation on the growth of Picea asperata Mast plantations which had been pruned or pruned were conducted,compete with stem analysis.The data showed that heavy pruning caused significant decline of growth within three years after.Trees pruned earlier would be subject to freezing damage.Tending and thinning should not be carried out untill the complete differentiation of trees
Keywords:Picea asperata Mast  plantations  pruning  growth.
本文献已被 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号