NISKANEN, R.; JAAKKOLA, A. Estimation of cation-exchange capacity in routine soil testing . Agricultural and Food Science, [S. l.], v. 58, n. 1, p. 1–7, 1986. DOI: 10.23986/afsci.72214. Disponível em: https://journal.fi/afs/article/view/72214. Acesso em: 23 nov. 2024.