Integrating Tacit Knowledge and AI for Digital Soil Mapping in Eastern Amazonia: Ensemble Learning, Model Performance, and Uncertainty Incorporation. - Alencar Sobrinho, Rômulo José; da Silva, José Odair; Santos, Lívia da Silva; Farias, Fabrício do Carmo; Lima, Alessandra Noelly Reis; Nakakoji, Nelson Ken Narusawa; Teixeira, Daniel De Bortoli; Tavares, Rose Luiza Moraes; Pereira, Gener Tadeu; Pinheiro, Daniel Pereira; Silva-Júnior, João Fernandes da (Soil Systems, 2026)