基于无人机多光谱数据和氮素空间分异的玉米冠层氮浓度估算

郝琪, 陈天陆, 王富贵, 王振, 白岚方, 王永强, 王志刚

Estimation of canopy nitrogen concentration in maize based on UAV multi- spectral data and spatial nitrogen heterogeneity

HAO Qi, CHEN Tian-Lu, WANG Fu-Gui, WANG Zhen, BAI Lan-Fang, WANG Yong-Qiang, WANG Zhi-Gang

图2 试验地气象条件 A: 2022年土默特右旗5月至9月气象条件; B: 2022年土默特左旗5月至9月气象条件; C: 2023年土默特右旗5月至9月气象条件。

Fig. 2 Meteorological conditions of the test site A: meteorological conditions from May to September in Tumd Right Banner in 2022; B: meteorological conditions from May to September in Tumd Left Banner in 2022; C: meteorological conditions from May to September in Tumd Right Banner in 2023.