基于低空无人机影像光谱和纹理特征的棉花氮素营养诊断研究

陈鹏飞,梁飞

Cotton Nitrogen Nutrition Diagnosis Based on Spectrum and Texture Feature of Images from Low Altitude Unmanned Aerial Vehicle

PengFei CHEN,Fei LIANG

表1 水肥一体化灌溉时间及每次灌溉各成分施用量占总量的比例

Table 1 Irrigation time of integrated irrigation of water and fertilizer and the proportion of each component applied to the total amount at each irrigation time

项目 Item 施肥日期（月-日） Fertilization date (M-D) 6-23 7-04 7-12 7-22 8-02 8-11 8-27 9-05 氮肥施用比例 Nitrogen fertilizer ratio 10% 15% 20% 20% 15% 10% 10% 0 磷、钾肥施用比例 Phosphorus and potassium fertilizer ratio 5% 10% 10% 15% 20% 20% 15% 5% 灌水比例 Water ratio 10% 15% 15% 15% 15% 15% 10% 5%