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.
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