用回归方程法测定梨树叶面积
MEASURING LEAF AREA IN PEAR TREE USING REGRESSION EQUATION METHOD
-
Abstract: Measuring a piece of leaf area in pear trees using regression equation method, it is suitable to use the regression equation of multiplying leaf length by the width, according to the methods of long-shoot sampling, random sampling and proportional sampling, and the leaf quantities being 50—100 pieces.
-
Keywords:
- Regression equation method /
- Pear trees /
- Leaf area /
- Leaf length /
- Leaf width
-
计量
- 文章访问数: 2576
- HTML全文浏览量: 0
- PDF下载量: 2321