%0 Journal Article %T Study on the monitoring and classification of winter wheat freezing injury in spring based on 3S technology %A Wang, Z. G. %A Wang, H. Q. %A Feng, M. C. %A Qin, M. X. %A Zhang, X. R. %A Xie, Y. K. %A Wang, C. %A Yang, W. D. %A Xiao, L. J. %A Zhang, M. J. %J Journal of Agricultural Science %V 159 %N 9-10 %P 623-635 %@ 0021-8596 %D 2021-11-01 %I Cambridge University Press %~ DeepDyve