[1] D Cavalli, M Corti, G Cabassi et al. Precision Agriculture, 20, 675(2019).

[2] Y Zhang, J Hui, Q Qin et al. Remote Sensing of Environment, 267, 112724(2021).

[3] Oliveira R A de, T Hakala, J Suomalainen et al. Remote Sensing of Environment, 266, 112691(2021).

[5] M Zhou, H Zheng, T Cheng et al. Precision Agriculture, 20, 611(2019).

[7] C Li, G Yang, J Yue et al. Remote Sensing, 9, 708(2017).

[8] S C Kefauver, O Vergara-Díaz, R Vicente et al. Frontiers in Plant Science, 8, 1733(2017).

[9] J Yue, X Jin, H Feng et al. Remote Sensing, 10, 1138(2018).

[10] L Fan, X Xu, Z Li et al. Remote Sensing, 13, 340(2021).

[14] G Yang, Z Li, Y Fu et al. Remote Sensing, 12, 3778(2020).

[15] X Yao, H J Ren, Z S Cao et al. International Journal of Applied Earth Observation and Geoinformation, 32, 114(2014).

[16] G Yang, H Dai, L Han et al. Plant Methods, 15, 10(2019).