[1]戴益源,丁永年.屏边县杉木林生产力评价[J].西北林学院学报,2001,16(04):16-20.
　Assessment on the Productivity of Chinese Fir in Pingbian County,Yunnan Province[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2001,16(04):16-20.
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屏边县杉木林生产力评价
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第16卷
期数:
2001年04期
页码:
16-20
栏目:
林木生理生态学
出版日期:
2001-08-29

文章信息/Info

Title:
Assessment on the Productivity of Chinese Fir in Pingbian County,Yunnan Province
作者:
戴益源; 丁永年
云南省林业科学院,; 云南省林业规划设计院,
关键词:
杉木;  适生条件;  地位质量
分类号:
S791.270.2
文献标志码:
A
摘要:
根据实地调查,认为屏边县大部分条件是适应或较适应杉木正常发育生长的,幼中龄阶段(16 a前)略有优势,但土层浅薄,年日照时数、土壤pH值、磷含量都在杉木适生条件边缘线上,杉木生长发育后劲不足,有早熟现象,形不成旺盛、持久的生产力.屏边县杉木生产,应以经营中小径材、纸材为主要生产目标.经营周期为18 a,抚育间伐在10 a左右1次性完成.中径材经营周期为28 a,抚育间伐分10 a和16 a 2次完成.地位指数12级以下地段不宜种植杉木.造林实行全面整地或挖大穴,造林密度按经营目标分别为:小径材株行距1.4

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更新日期/Last Update: 2010-04-29