To measure the leaf area coefficient and productivity more conveniently, this paper draws up an useful leaf area table.
为了便于测定叶面积系数和生产率，编制了有使用价值的叶面积表。
At same time, the leaf area coefficient, dry matter accumulation and economic coefficient of compact type corn variety is bigger than loosely type corn variety.
在最高产量时，紧凑型玉米品种与松散型玉米品种相比具有叶面积系数大，干物质积累数量大，经济系数高等特点。
The light distribution within the canopy is subject to the leaf area index and the extinction coefficient.
光在冠层内的分布，受叶面积指数和叶片消光系数支配。
The result of variance analysis revealed that regression equation method could give a more reliable result than leaf area correction coefficient method for the leaf area measurement.
经方差分析比较证明，应用回归方程法计算的叶面积比用矫正系数法更为可靠。
Leaf area measure, as a physiology index, is important for shoot diagnose in field, so the suitable conversion coefficient should be determined for the leaf area measure.
应用长宽系数法测定苎麻叶面积时，需要求出相应的换算系数。
The fruit weight, leaf area, nucleus weight and nucleus rate have larger coefficient of variation and over 20%.
其中，果重、叶面积、核重和出核率的变异最大，变异系数均达到20%以上。
Sun-shading can promote the growths of leaf age and tiller, and the leaf-area. The negative impacts on length of fibre cell, coefficient of flexibility, ratio of length and diameter.
遮阳处理能促进叶龄、分蘖的增长，但不利于叶面积的增长，对纤维细胞的长度、柔性系数、长宽比等也产生不良影响。
Sowing seeds about April 20, the coefficient of leaf area assort with the productivity of single plant, the yield of maize is tallest, and can resist and avoid the drought;
谷雨节前后播种，叶面积系数与单株生产力协调一致达最佳，玉米产量最高，既能抗夏旱又能避伏旱；
Sowing seeds about April 20, the coefficient of leaf area assort with the productivity of single plant, the yield of maize is tallest, and can resist and avoid the drought;
谷雨节前后播种，叶面积系数与单株生产力协调一致达最佳，玉米产量最高，既能抗夏旱又能避伏旱；
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