RÄTY, M.; KESKINEN, R.; YLI-HALLA, M.; HYVÖNEN, J.; SOINNE, H. Estimating cation exchange capacity and clay content from agricultural soil testing data. Agricultural and Food Science, [S. l.], v. 30, n. 4, p. 131–145, 2021. DOI: 10.23986/afsci.111107. Disponível em: https://journal.fi/afs/article/view/111107. Acesso em: 16 may. 2022.