Orbital and laboratory spectral data to optimize soil analysis . Scientia Agricola, [S. l.], v. 66, n. 2, p. 250–257, 2009. DOI: 10.1590/S0103-90162009000200015. Disponível em: https://revistas.usp.br/sa/article/view/22448.. Acesso em: 27 mar. 2025.