[1]马跃,谌红辉,李武志,等. 望天树苗木分级技术研究[J].西北林学院学报,2012,27(04):153-156.
 MA Yue,CHEN Hong-hui,LI Wu-zhi,et al. Seedling Grading Technique of Parashorea chinensis[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(04):153-156.
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 望天树苗木分级技术研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年04期
页码:
153-156
栏目:
出版日期:
2012-07-30

文章信息/Info

Title:
 Seedling Grading Technique of Parashorea chinensis
文章编号:
1001-7461(2012)04-0153-04
作者:
 马跃谌红辉李武志刘志龙王小宁蒙彩兰
 (中国林业科学研究院 热带林业实验中心,广西 凭祥 532600)
Author(s):
 MA YueCHEN Hong-huiLI Wu-zhiLIU Zhi-longWANG Xiao-ningMENG Cai-lan
 (The Experimental Centre of Tropical Forestry, Chinese Academy of Forestry,Pingxiang, Guangxi 532600,China)
关键词:
 望天树苗木质量苗木分级
Keywords:
 Parashorea chinensis seedling quality seedling grading
分类号:
S723.13
文献标志码:
A
摘要:
 通过对望天树容器苗质量评价研究,提出了以苗高和地径作为该树种苗木分级的质量指标,采用聚类分析方法分类,结果表明:望天树半年生苗木可分为3级。Ⅰ级苗:苗高>27.5 cm,地径>0.4 cm;Ⅱ级苗:20.5 cm<苗高≤27.5 cm,0.3 cm<地径≤0.4 cm;Ⅲ级苗:苗高≤20.5 cm,地径≤0.3 cm。

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