Laser-induced fluorescence of organic matter from a Brazilian Oxisol under sewage-sludge applications . Scientia Agricola, [S. l.], v. 63, n. 3, p. 269–275, 2006. DOI: 10.1590/S0103-90162006000300009. Disponível em: https://revistas.usp.br/sa/article/view/22163.. Acesso em: 25 jun. 2024.