[1]康博文,刘建军,李文华,等.樟子松苗木生长规律研究[J].西北林学院学报,2009,24(01):74-77.
 KANG Bowen,LIU Jianjun,LI Wenhua,et al.Studied on the Growth Regularity of Pinus sylvestris var. monglica Needling[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2009,24(01):74-77.
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樟子松苗木生长规律研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第24卷
期数:
2009年01期
页码:
74-77
栏目:
出版日期:
2009-01-20

文章信息/Info

Title:
Studied on the Growth Regularity of Pinus sylvestris var. monglica Needling
作者:
康博文 刘建军 李文华 屈远
(西北农林科技大学 林学院, 陕西 杨陵 712100)
Author(s):
KANG Bowen LIU Jianjun LI Wenhua QU Yuan
(College of Forest, Northwest A&F University, Yangling,Shaanxi 712100,China )
关键词:
樟子松苗木生长规律
Keywords:
Pinus sylvestris var. monglica needling growth regularity
分类号:
S791.253.01
文献标志码:
A
摘要:
为培育根系发达、生长健壮的樟子松苗木提供依据和参考,在陕北毛乌素沙地对樟子松苗木地上、地下生长规律及其关系进行了研究。结果表明,在苗圃中1-5 a生樟子松苗木高度、生物量、地径和主根长度生长都呈现明显的节律性,苗木高度、地径随苗龄呈Logistic增长,苗木地上、地下生物量以及主根长度与苗龄呈指数函数关系;苗木地上部与地下部相比,在生物量中所占比例随苗龄增加呈上升趋势,由第1年的50.0%逐渐上升到第5年的80.0%。西北林学院学报24卷
Abstract:
For the aims of providing references for cultivating healthy Pinus sylvestris var. Mongolica needling with developed root system, the growth regularity of aboveground and underground part and their relationship were studied in Maowusu sandy area in the north of Shaanxi. The results showed that the growth of height, biomass and ground diameter of 1-5yearold seedlings showed obvious growth thythm. the corresponding curves were Logistic function for seedling height and ground diameter, exponential function for aboveground biomass, underground biomass and main root length. Compared with underground, percentage of aboveground biomass increased annually, from 50.0% of first year to 80.0% of fifth year.

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备注/Memo

备注/Memo:
收稿日期:20080415修回日期:20080620基金项目:国家林业局948项目(2006410)作者简介:康博文,男,高级工程师,主要研究方向森林生态学。
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