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

图4 光谱指数与叶片氮累积量的相关性 a: 苗期; b; 块茎形成期; c块茎膨大期; d: 淀粉积累期; e: 全生育时期。缩写同表4。

Fig. 4 Correlation between spectral indices and leaf nitrogen accumulation a: seedling stage; b: tuber formation stage; c: tuber bulking stage; d: starch accumulation stage; e: total growth stages. Abbreviations are the same as in Table 4.