[2] [2] Jones, Curtis Jones, Jeff Lee, et al. Computers and Electronics in Agriculture-COMPUT ELECTRON AGRIC, 2010, 74: 329.

[4] [4] Juliane Bendig, Kang Yu, Helge Aasen, et al. International Journal of Applied Earth Observations and Geoinformation, 2015, 39: 79.

[8] [8] Zhang J C, Pu R L, Wang J H, et al. Computers and Electronics in Agriculture, 2012, 85: 13.

[9] [9] Aasen H, Burkart A, Bolten A, et al. ISPRS Journal of Photogrammetry and Remote Sensing, 2015, 108: 245.

[10] [10] Wang W, Yao X, Yao X F, et al. Field Crops Research, 2012, 129: 90.

[11] [11] Cao Qiang, Miao Yuxin, Shen Jianning, et al. Precision Agriculture, 2016, 17(2): 136.

[13] [13] Gitelson A A, Andrés Via, Verónica Ciganda, et al. Geophysical Research Letters, 2005, 32(8): 403.

[14] [14] Kanke Y, Brenda Tubaa, Dalen M, et al. Precision Agriculture, 2016, 17(5): 507.