[1]董三孝.渭北沟壑区人工刺槐林根系生长、分布与地上生长的关系[J].西北林学院学报,2004,19(03):4-6.
　Relationship between Roots and Tree Height、D、B H of Locust in Weibei Gully Region[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2004,19(03):4-6.
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渭北沟壑区人工刺槐林根系生长、分布与地上生长的关系 ()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第19卷
期数:
2004年03期
页码:
4-6
栏目:
林业生物科学
出版日期:
2004-06-29

文章信息/Info

Title:
Relationship between Roots and Tree Height、D、B H of Locust in Weibei Gully Region
作者:
董三孝
杨凌职业技术学院,陕西,杨陵,712100
关键词:
刺槐;  树高;  根系;  分布
分类号:
S718.556
文献标志码:
A
摘要:
对渭北沟壑区的人工刺槐林进行了树高、胸径及根系测定和回归分析,建立了树高、胸径与根系之间关系的经验方程式,对刺槐林根系进行定量分析.归纳分析其根系分布规律:当≥7.1 cm时(为13 a)水平分布达到均匀状态,此时林分根量为129.183g/m2;当≥3.0 cm时垂直分布层间(0～10 cm,11～30 cm,31～50 cm)达到相对稳定状态(林龄为4 a),其层间根量比为3.23:1.57:1.

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更新日期/Last Update: 2010-04-29