不同光谱指数反演马铃薯叶片氮累积量的研究

韩康, 于静, 石晓华, 崔石新, 樊明寿

Inversion of nitrogen accumulation in potato leaf with different spectral indices

HAN Kang, YU Jing, SHI Xiao-Hua, CUI Shi-Xin, FAN Ming-Shou

表5 建模集与验证集的样本数量

Table 5 Number of samples in modeling set and validation set

生育时期 Growth stage 样本数量Number of samples 建模集Modeling set 验证集Validation set 苗期Seedling stage 45 30 块茎形成期Tuber formation stage 45 30 块茎膨大期Tuber expansion stage 45 30 淀粉积累期Starch accumulation stage 45 30 全生育时期Total growth stages 180 120