Prediction of soil chemical attributes using optical remote sensing - doi: 10.4025/actasciagron.v33i4.7975. Acta Scientiarum. Agronomy, [S. l.], v. 33, n. 4, p. 723–727, 2011. DOI: 10.4025/actasciagron.v33i4.7975. Disponível em: https://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/7975. Acesso em: 2 jun. 2026.