Measurements of Plant Volume and Leaf Area of Platycladus Orientalis and Their Relations to Plant Height and Crown Width

ZHENG Cui-juan; WANG Yong; YU Jin-dan; DAI Li-feng; BAI Ling-xiao

doi:10.13961/j.cnki.stbctb.2014.02.039

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Measurements of Plant Volume and Leaf Area of Platycladus Orientalis and Their Relations to Plant Height and Crown Width

- Measurements of Plant Volume and Leaf Area of Platycladus Orientalis and Their Relations to Plant Height and Crown Width
- Bulletin of Soiland Water Conservation Vol. 33, Issue 2, Pages: 182-185(2014)
- 作者机构：
  
  1. 内蒙古师范大学内蒙古节水农业工程研究中心,内蒙古,呼和浩特,010022
  2. 乌兰察布市水土保持工作站,内蒙古,乌兰察布,012000
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2014.02.039
  CLC：
- Published：2014
- 稿件说明：
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ZHENG Cui-juan, WANG Yong, YU Jin-dan, et al. Measurements of Plant Volume and Leaf Area of Platycladus Orientalis and Their Relations to Plant Height and Crown Width[J]. Bulletin of Soiland Water Conservation, 2014, 33(2): 182-185.
DOI：

ZHENG Cui-juan, WANG Yong, YU Jin-dan, et al. Measurements of Plant Volume and Leaf Area of Platycladus Orientalis and Their Relations to Plant Height and Crown Width[J]. Bulletin of Soiland Water Conservation, 2014, 33(2): 182-185. DOI： 10.13961/j.cnki.stbctb.2014.02.039.

摘要

为了研究侧柏(Ptadtyctadus orientates)植株体积、叶面积的量测

及与株高、冠幅、叶面积指数间的定量关系

进行了相关的盆栽试验。试验结果表明

随长方体、圆柱体体积的增大

实体体积均呈线性极显著正相关。随冠幅的增大

实体体积、总叶面积分别呈线性(R=0.572)和开口向下的抛物线(R=0.450)规律变化。当冠幅73 cm

圆柱体侧面积0.546 m

圆柱体横截面积0.329 m

时

总叶面积对应达最大值

分别为3581

3639

3523 cm

。随总叶面积的增大

叶体积、枝体积、实体体积呈开口向下的抛物线规律变化

均呈极显著相关关系。随叶体积的增大

叶面积指数呈开口向下的抛物线(R=0.742)规律变化

叶体积338 cm

时

达最大值6.1。

Abstract

A pot experiment was conducted to study the measurements of plant volume and leaf area of Ptadtyctadus orientates and their relations to plant height

crown breadth and leaf area index(LAI). Results show that physical volume increased with the increase of cuboid and cylinder volume and had linear and extremely significantly positive correlation with cuboid and cylinder volume. With increasing crown width

physical volume and total leaf area presented linearity(R=0.572) and downward opening parabolas(R=0.450). When crown width was 73 cm

cylinder lateral area was 0.546 m2 and cylinder cross sectional area was 0.329 m2

corresponding total leaf areas reached the maximum values of 3581

3639 and 3523 cm2

respectively. With increasing total leaf area

leaf and branch volumes and physical volume presented downward opening parabolas

which all showed a significantly positive correlation with total leaf area. With increasing leaf volume

leaf area index presented an upward opening parabola. When leaf volume was 338 cm3

leaf area index reached a maximum value of 6.1.

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references

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