在不同土壤水氮条件下，研究了小麦中后期叶片碳氮状况及其比例与冠层光谱反射特征的关系。
The research was conducted to determine the relationships of sugar and nitrogen status and its ratio in wheat leaves to canopy spectral reflectance under different nitrogen and water supply levels.
本文将一种高效的辐射度算法与番茄结构模型有机结合，来快速模拟番茄冠层内光分布和3D叶片上的光截获。
A high efficient radiosity technique was linked with tomato structure model to simulate the energy exchanges inside the canopy, and light interception was computed at the 3D leaf level.
从而说明本研究以叶面积指数和植物冠层盖度为基础进行叶片与种群间的尺度转换是可行的。
It indicates that the scale conversion between leaves level and population level based on canopy and leaves area index is feasible.
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