简便而准确地测定果树叶面积在果树科学研究上具有重要的意义。
It is of significance to measure leaf area's speedily and accurately in fruit study.
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。
To measure the leaf area coefficient and productivity more conveniently, this paper draws up an useful leaf area table.
采用LAI-2000冠层仪和照度计进行行间叶面积指数、株间透光率及树冠中部光照强度日变化进行测定；
Interplanting leaf area index, the daily changes of light transmittance and light intensity in the middle part of the canopy are observed with the LAI-2000 type and photometer.
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。
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.
叶面积是测定植株光合能力的最好尺度。
Leaf area is the best measure of the photosynthesizing capacity of the plant.
此外对测定平均单叶面积时的适宜取样数量也进行了研究。
Euough leaf quantities in measuring leaf area is also discussed.
d以后，测定叶片中丙二醛(MDA)的含量、测量对株高、茎粗、叶面积、腋芽的发生作用、比较不同处理的开花时间。
19 days later, the height of plant, the thick of stalk, the leaf area, the content of MDA of leaves and the time of bloom are measured.
d以后，测定叶片中丙二醛(MDA)的含量、测量对株高、茎粗、叶面积、腋芽的发生作用、比较不同处理的开花时间。
19 days later, the height of plant, the thick of stalk, the leaf area, the content of MDA of leaves and the time of bloom are measured.
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