KAILA, A. Potassium status in different particle size fractions of some Finnish soils. Agricultural and Food Science, [S. l.], v. 39, n. 2, p. 45–56, 1967. DOI: 10.23986/afsci.71673. Disponível em: https://journal.fi/afs/article/view/71673. Acesso em: 18 jun. 2024.