倒伏胁迫下玉米抽雄期叶面积密度光谱诊断

周龙飞,顾晓鹤,成枢,杨贵军,孙乾,束美艳

Spectral Diagnosis of Leaf Area Density of Maize at Heading Stage Under Lodging Stress

ZHOU LongFei,GU XiaoHe,CHENG Shu,YANG GuiJun,SUN Qian,SHU MeiYan

表1 玉米倒伏样本连续观测LAD统计

Table 1 LAD statistics of continuous observation of maize lodging samples

样本类型 Sample type 采样数 Sampling numbers 最大值 Maximum value 最小值 Minimum value 平均值 Average value 标准差 Standard deviation GD 30 15.111 0.948 3.122 3.956 JS 30 10.751 1.313 3.096 2.746 JD 30 4.120 0.878 1.432 0.706 CK 18 1.279 0.749 1.061 0.139