[1]燕辉,苏印泉,李吉平,等.秦岭北坡刺槐人工林细根垂直分布及其与土壤养分的关系[J].水土保持研究,2008,15(03):65-68,73.
　YAN Hui,SU Yin-quan,LI Ji-ping,et al.Distribution Characters of Fine Root of Artificial Robinia pseudoacacia Forests and Its Relation to Soil Nutrients in the Northern Slope of Qinling Mountains[J].Research of Soil and Water Conservation,2008,15(03):65-68,73.
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秦岭北坡刺槐人工林细根垂直分布及其与土壤养分的关系

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 15 期数: 2008年03期 页码: 65-68,73 栏目: 出版日期: 2008-06-20
Title:
Distribution Characters of Fine Root of Artificial Robinia pseudoacacia Forests and Its Relation to Soil Nutrients in the Northern Slope of Qinling Mountains
作者:
燕辉1, 苏印泉1, 李吉平1, 朱昱燕2, 季志平1
1. 西北农林科技大学 林学院, 陕西 杨陵 712100;
2. 北京工商大学 北京市植物资源研究开发重点实验室, 北京 100037
Author(s):
YAN Hui1, SU Yin-quan1, LI Ji-ping1, ZHU Yu-yan2, JI Zhi-ping1
1. College of Forestry Science, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. Beijing Key Lab of Plant Resources Research and Development, Beijing Technology and Business University, Beijing 100037, China
关键词:
秦岭北坡; 刺槐林; 细根分布; 土壤养分
Keywords:
the northern slope of Qinling Mountains; Robinia pseudoacacia forests; distribution characters of fine root; soil nutrients
分类号:
S792.27;S714.2
摘要:
采用土钻法对秦岭北坡刺槐人工林3种细根参数垂直分布状况和土壤化学性质进行系统研究。并在对这两者进行研究的基础上，就土壤养分因子对细根垂直分布的影响进行分析。研究发现，随着土层深度的增加，刺槐林细根参数总体上表现为降低的趋势。多种土壤养分因子在土层中表现出各自不同的变化趋势。细根参数在土层中的垂直分布受到土壤养分因子的重要影响。其中土壤有机质和全氮含量对细根参数在土层中垂直分布的影响最为明显。而在细根生物量，细根表面积，根长密度3种细根参数中，植物对养分的吸收与细根表面积的关系最为密切。
Abstract:
Soil coring is used to investigate the vertical distribution of three kinds of fine root parameters and the chemical characteristics of artificial Robinia pseudoacacia forests soil in the northern slope of Qinling Mountains.And the influence of soil nutrients on the vertical distribution of the fine root is analyzed on the basis of the research of the two aeras.It is revealed that the fine root parameters distribution in the soil decrease with the increase of soil depth.Many of the soil nutrient factors show different changes of their own.The vertical distribution of the fine root parameters in the soil is influenced by the soil nutrient factors.The influence of the soil organic matter and total nitrogen on the vertical distribution of the fine root parameters is the most positive.Among the three kinds of fine root parameters (fine root biomass,fine root surface area,fine root length density),fine root surface area has the most close relation with the nutrient acquisition.

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备注/Memo

收稿日期:2008-3-26。
基金项目:陕西省林业厅国际合作项目“日元贷款陕西省植树造林生态环境监测”
作者简介:燕辉（1984- ），男，河南永城人，在读硕士，主要从事森林培育研究。E-mail：hnyanhui@yeah.net
通讯作者:苏印泉（1954- ），男，陕西白水人，教授，主要从事森林培育及资源利用研究。E-mail：syq9009@126.com

更新日期/Last Update: 1900-01-01