[1]郭峰,周运超*.不同密度马尾松林针叶养分含量及其转移特征[J].南京林业大学学报(自然科学版),2010,34(04):093-96.[doi:10.3969/j.jssn.1000-2006.2010.04.021]
 GUO Feng,ZHOU Yun chao*.Foliar nutrient contents and translocation features in different density of Pinus massoniana plantations[J].Journal of Nanjing Forestry University(Natural Science Edition),2010,34(04):093-96.[doi:10.3969/j.jssn.1000-2006.2010.04.021]
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不同密度马尾松林针叶养分含量及其转移特征
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
34
期数:
2010年04期
页码:
093-96
栏目:
研究论文
出版日期:
2010-08-06

文章信息/Info

Title:
Foliar nutrient contents and translocation features in different density of Pinus massoniana plantations
作者:
郭峰周运超*
贵州大学林学院,贵州贵阳550025
Author(s):
GUO Feng ZHOU Yunchao*
Forestry College of Guizhou University, Guiyang 550025, China
关键词:
马尾松针叶养分含量养分转移
Keywords:
Pinus massoniana needle nutrient content nutrient translocation
分类号:
S718
DOI:
10.3969/j.jssn.1000-2006.2010.04.021
文献标志码:
A
摘要:
以贵州龙里林场12年生马尾松人工林为研究对象,分析了3种密度马尾松针叶凋落前后N、P 、K、Ca、Mg、Fe、Mn、Zn、Cu等9种养分含量及其转移特征。结果表明:叶片凋落前Ca含量随林分 密度增大而提高,其他元素含量未表现出有规律的变化;叶片凋落后Mn含量表现出随林分密度增大 而增大的趋势,其他元素含量在不同密度间差异不大;叶片凋落前后N、P、K、Mg发生了不同程度 的转移,Ca、Fe、Mn、Zn、Cu未发生转移或发生负转移;N、P、K、Mn、Zn、Cu转移率随林分密度 增大变化趋势不明显,Fe转移率随林分密度增大有所降低,Ca和Mg转移率随林分密度增大有所提高 。
Abstract:
The contents and translocation features of foliar nutrients(N, P, K, Ca, Mg, Fe, Mn, Zn, Cu)in three density Pinus massoniana plantations were studied. The results showed that the content of Ca tended to increase with densities before leaf withering, and the other elements didn’t show obvious tendency. The content of Mn in leaf litters showed an increased tendency with densities, and the other elements didn’t show obvious tendency. The translocations of N, P, K, Mg had happened at various levels during leaf withering, and the other elements hadn’t. Fe transferred ratio decreased with densities, but Ca and Mg were on the opposite. The transferred ratio of N, P, K, Mn, Zn and Cu didn’t showed any obvious tendency varied with density.

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备注/Memo

备注/Memo:
收稿日期:2009-09-02修回日期:2010-03-02基金项目:“十一五”国家科 技支撑计划(2006BDA24B0301);国家科技成果转化项目(2007GB2F200286);贵州省特助人才课题 (TZIF-2007年20号);贵州省农业攻关课题(黔科合NY字20093066)作者简介:郭峰(1983—),硕士 生。*周运超(通信作者),教授。Email: fc.yczhou@gzu.edu.cn。引文格式:郭峰,周运超. 不 同密度马尾松林针叶养分含量及其转移特征[J]. 南京林业大
更新日期/Last Update: 2010-08-06