Influence of spent coffee grounds on soil microbiological attributes and maize crop. Research, Society and Development, [S. l.], v. 9, n. 8, p. e818986400, 2020. DOI: 10.33448/rsd-v9i8.6400. Disponível em: https://www.rsdjournal.org/rsd/article/view/6400. Acesso em: 14 dec. 2025.