[1]李鹏,李占斌,赵忠.根系调查取样点数确定方法的研究[J].水土保持研究,2003,10(01):146-149.
　LI Peng,LI Zhan-bin,ZHAO Zhong.Study of the Method for Determining Sampling Number for Root Investigation[J].Research of Soil and Water Conservation,2003,10(01):146-149.
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根系调查取样点数确定方法的研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 10 期数: 2003年01期 页码: 146-149 栏目: 出版日期: 1900-01-01
Title:
Study of the Method for Determining Sampling Number for Root Investigation
作者:
李鹏1, 李占斌1, 赵忠2
1. 中国科学院水利部水土保持研究所;
2. 西北农林科技大学林学院, 陕西杨陵 712100
Author(s):
LI Peng1, LI Zhan-bin1, ZHAO Zhong2
1. Institution of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100, Shaanxi, China;
2. College of Forestry, Northwestern Sci-tech University of Agriculture and Forestry, Yangling 712100, Shaanxi, China
关键词:
根系; 取样点数; 土钻法
Keywords:
root system; number of sampling; soil auger method
分类号:
Q944.54;S157
摘要:
根系是植物与外界环境进行物质和能量交换的场所，其分布特征反映了植物对环境的利用程度。随着科学的发展和技术的进步，人们对根系的研究也逐渐从定性走向定量，科学的根系调查方法是进行根系定量研究的关键。在已有的根系调查资料的基础上，应用数理统计的方法，对应用土钻法进行根系调查取样所需要的样点数进行了计算和分析，结果表明，应该按照不同立地，不同取样范围进行根系调查。根据调查的需要和实际状况，确定不同取样范围内所需要的取样点数，并对1/4样圆法的进行了改正和修订，提出了一种新的野外取样的方法。
Abstract:
Root system was in the main location for changing the substance and energy between plant and environment, and its distribution reflects the utilization of the plants to the environment.With the development of the science and technology, the study of the root also tend to shift from the qualitative to the quantitative, among which the scientific method for investigation was the key to quantitative study.Based on the data of the root investigation, the number of sampling points needed for root investigation by soil auger was calculated and analyzed by mathematical statistics method.And the results showed that the root investigation should be carried out on different sites and sampling area.Considering the needs of the investigation and the actual condition, the number of sampling points in different sampling area was determined, and some improvement was made to the 1/4 circular sampling method.

参考文献/References:

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备注/Memo

收稿日期:2002-11-25
基金项目:国家科技攻关项目（2001BA508B18）
作者简介:李鹏（1974- ），男，山东烟台人，在读博士，主要从事植被根系与土壤侵蚀等方面的研究。

更新日期/Last Update: 1900-01-01