The canopy reflectance also differed with eultivars. These results provide theoretical basis for using canopy reflectance spectra to monitor of growth status, nitrogen status and grain qualities in rice.
不同品种水稻冠层反射光谱随氮肥和生育期的变化趋势相同，只是反射率值的大小不同。
参考来源 - 基于冠层反射光谱的水稻氮素营养与籽粒品质监测·2,447,543篇论文数据，部分数据来源于NoteExpress
利用冠层反射光谱监测叶片碳氮比的适宜时期为孕穗期至吐丝期。
The proper time for monitoring leaf soluble sugar to nitrogen ratio should be from booting to silking stage.
本文通过对4个感染不同等级稻叶瘟的水稻冠层反射光谱进行测试，并对光谱反射曲线进行微分分析，研究了绿光区、红光区和近红外区反射光谱的变异特征。
Rice spectrum features at green, red and near infrared regions were studied by measuring and analysing rice canopy reflectance and differential spectrums with 4 levels of rice leaf blast.
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