Leaf area meter to determine the three major advantages of canopy coefficient
The young leaf area of ​​eucalyptus is related to growth. The first is found from single leaves. The leaf area meter experimental study found that the single leaf and the single plant are the relationship between the local and the whole. In general, the leaf area of ​​single leaf and leaf area per plant are consistent with the growth. But in some cases there are opposite results. Therefore, we must not only see the unique role of single leaf area, but also see its limitations. It needs another parameter to modify it and make it up.
The leaf area per plant is different from the area of ​​single leaf. It has a linear regression relationship with tree height and DBH, which is impeccable regardless of its scientificity and completeness. However, like the leaf area meter numerical index, it is an unpredictable factor for tall trees with thousands of leaves. In other words, the theoretical significance of the single leaf area is much greater than its practical value, except for the seedlings and young trees that are 1 to 3 years old.
The results of the leaf area meter study showed that the establishment of the Run Crown coefficient, in conjunction with the leaf area of ​​the single leaf, not only avoided the difficulty in finding the leaf area per plant, but also eliminated the limitation of the single leaf area, becoming an ideal alternative parameter. The crown coefficient measured by the leaf area method has three major advantages: 1 there is a very significant linear regression relationship; 2 it is highly accurate and reliable; 3 the method is simple and easy to promote.
The determination of the leaf area meter is of special significance as a qualitative indicator of selection of elite trees and clones. Firstly, the leaf area is related to growth and used together with the growth index, which can be mutually confirmed and increase the reliability of selection. Secondly, the leaf area is a sign of the dominating activity to a certain extent and serves as an indicator of physiological determination. . Third, the leaf area is a quantitative indicator that can reduce people’s forgetfulness in the selection.
The leaf area per plant is different from the area of ​​single leaf. It has a linear regression relationship with tree height and DBH, which is impeccable regardless of its scientificity and completeness. However, like the leaf area meter numerical index, it is an unpredictable factor for tall trees with thousands of leaves. In other words, the theoretical significance of the single leaf area is much greater than its practical value, except for the seedlings and young trees that are 1 to 3 years old.
The results of the leaf area meter study showed that the establishment of the Run Crown coefficient, in conjunction with the leaf area of ​​the single leaf, not only avoided the difficulty in finding the leaf area per plant, but also eliminated the limitation of the single leaf area, becoming an ideal alternative parameter. The crown coefficient measured by the leaf area method has three major advantages: 1 there is a very significant linear regression relationship; 2 it is highly accurate and reliable; 3 the method is simple and easy to promote.
The determination of the leaf area meter is of special significance as a qualitative indicator of selection of elite trees and clones. Firstly, the leaf area is related to growth and used together with the growth index, which can be mutually confirmed and increase the reliability of selection. Secondly, the leaf area is a sign of the dominating activity to a certain extent and serves as an indicator of physiological determination. . Third, the leaf area is a quantitative indicator that can reduce people’s forgetfulness in the selection.
Kitchen ventilator, cooking utensils
Midea , https://www.mideagroups.com