[1] S Li, S Chen, W Ji et al. Soil and Tillage Research, 155, 492(2016).
[2] Tao Dong, Pengcheng Nie, Yong He et al. Sensors, 17, 1102(2017).
[5] de Souza Marcelo, Filgueiras P André et al. Journal of Near Infrared Spectroscopy, 24, 293(2016).
[6] X Y Li, Y Liu, P P Fan et al. Journal of Applied Spectroscopy, 86, 765(2019).
[7] J Bai, X Wang, Y Xu et al. Ecological Indicators, 111, 106002(2020).
[8] D Kifer, K Fang, C Shen et al. Geophysical Research Letters, 44, 11030(2017).
[9] T Lin, X Zhang, J Xu et al. Analytica Chimica Acta, 1058, 48(2019).
[10] W D S Mendes, B Minasny, W Ng et al. Soil, 6, 565(2020).
[11] N L Tsakiridis, J B Theocharis, K D Keramaris et al. Geoderma, 367, 114208(2020).
[12] M Li, Y Wang, R Ji et al. Sensors (Basel, Switzerland), 20, 7078(2020).