Sewage sludge as nutrient source for sorghum . Scientia Agricola, [S. l.], v. 52, n. 2, p. 360–367, 1995. DOI: 10.1590/S0103-90161995000200026. Disponível em: https://www.revistas.usp.br/sa/article/view/20305.. Acesso em: 20 may. 2024.