[1]卢晓强,方升佐*.黔中喀斯特山地8种树种早期生长和叶片养分动态的研究[J].南京林业大学学报(自然科学版),2008,32(01):042.[doi:10.3969/j.jssn.1000-2006.2008.01.009]
 LU Xiao-qiang,FANG Sheng-zuo*.Studies on the early growth and dynamics of leaf nutrient of eight tree species in the Karst mountain areas of Guizhou province[J].Journal of Nanjing Forestry University(Natural Science Edition),2008,32(01):042.[doi:10.3969/j.jssn.1000-2006.2008.01.009]
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黔中喀斯特山地8种树种早期生长和叶片养分动态的研究
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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:
32
期数:
2008年01期
页码:
042
栏目:
研究论文
出版日期:
2008-01-30

文章信息/Info

Title:
Studies on the early growth and dynamics of leaf nutrient of eight tree species in the Karst mountain areas of Guizhou province
文章编号:
1000-2006 (2008) 01-0038-05
作者:
卢晓强方升佐*
南京林业大学森林资源与环境学院,江苏 南京 210037
Author(s):
LU Xiao-qiang FANG Sheng-zuo*
College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China
关键词:
喀斯特山地树种选择生长叶片养分
分类号:
S718
DOI:
10.3969/j.jssn.1000-2006.2008.01.009
文献标志码:
A
摘要:
通过研究贵州普定县典型喀斯特山地8个3年生树种生长特性、叶片养分含量以及落叶前后叶片养分含量的变化,分析了它们对该立地的适应性,从而为喀斯特困难立地造林适生树种的选择提供可靠依据。结果表明: (1)3年生冰脆李的生长量明显优于其他树种,其高生长比香椿、核桃分别大1391%和1537%;植株胸径大于等于10cm株数的百分比以冰脆李最高达到919%,其次是榆树和青檀,分别是495%和488%;? (2)8个树种落叶的全N、全P和全K的总含量变动为136%~252%,其中全N、全P含量以滇楸最高,全K含量以冰脆李最大; (3)从各树种落叶前后各元素含量及其转移情况看,冰脆李、青檀表现出对大部分营养元素具有较高的循环利用养分或保持养分的能力,而香椿及刺槐相对较弱。综合生长状况、落叶对土壤的改良以及养分内循环率等方面的因素认为,冰脆李、青檀、榆树等树种对高钙、干旱的石灰岩生境有良好适应性,是喀斯特山地造林绿化较适宜的树种。

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备注/Memo

备注/Memo:
收稿日期: 2006-12-06
基金项目:国家林业局重点项目(2003-055-L55)
作者简介: 卢晓强(1979-),男,现为东京农工大学博士生。*通讯作者:方升佐,男,教授,博士生导师,主要研究方向为高效杨树人工林定向培育、生物能源林培育,fangsz@njfu.edu.cn.
更新日期/Last Update: 2008-03-18