Sugarcane (Saccharum officinarum) productivity estimation using multispectral sensors in RPAs, biometric variables, and vegetation indices - Alexandre, Marta Laura de Souza; Lima, Izabelle de Lima e; Nilsson, Matheus Sterzo; Rizzo, Rodnei; Silva, Carlos Augusto Alves Cardoso; Fiorio, Peterson Ricardo (Agronomy, 2025)