Large-scale crop type and crop area mapping across Brazil using synthetic aperture radar and optical imagery. - Olaniyi A. Ajadi; Jeremiah Barr; Sang-Zi Liang; Rogerio Ferreira; Siva P. Kumpatla; Rinkal Patel; Anu Swatantran (Int. J. Appl. Earth Obs. Geoinformation, 2021)