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1 氮肥施用方案

Table 1 Nitrogen application plan (kg N hm-2)

处理 Treatment 基肥 Base fertilizer 追肥Top dressing 出苗后10 d 10 days after emergence 出苗后25 d 25 days after emergence N0 0 0 0 N1 75 15 60 N2 75 45 180 N3 75 118.5 256.5 N4 75 150 375