Mapping at 30 m Resolution of Soil Attributes at Multiple Depths in Midwest Brazil - Poppiel, Raul Roberto; Lacerda, Marilusa P. C; Safanelli, José Lucas; Rizzo, Rodnei; Oliveira Júnior, Manuel P; Novais, Jean Jesus; Demattê, Jose Alexandre Melo (Remote Sensing, 2019)