KAILA, A. Fertilizer phosphorus in some Finnish soils. Agricultural and Food Science, [S. l.], v. 33, n. 1, p. 131–139, 1961. DOI: 10.23986/afsci.71543. Disponível em: https://journal.fi/afs/article/view/71543. Acesso em: 23 nov. 2024.