糜子叶片氮含量和籽粒蛋白质含量高光谱监测研究

王君杰,陈凌,王海岗,曹晓宁,刘思辰,田翔,秦慧彬,乔治军

Effects of Hyperspectral Prediction on Leaf Nitrogen Content and the Grain Protein Content of Broomcorn Millet

JunJie WANG,Ling CHEN,HaiGang WANG,XiaoNing CAO,SiChen LIU,Xiang TIAN,HuiBin QIN,ZhiJun QIAO

表5 开花期、灌浆期和成熟期叶片氮含量（LNC）与籽粒蛋白质含量（GPC）的模型

Table 5 Monitoring models of grain protein content based on leaf nitrogen content at heading, filling and maturity (n=30)

生育时期 Growth stage 拟合方程 Equation 决定系数 R2 开花期 Heading y=2.5509x+5.1857 0.631 灌浆期 Filling y=1.8327x+8.8819 0.872 成熟期 Maturity y=1.1921x+11.789 0.900