KAILA, A. Some phosphorus test values and fractions of inorganic phosphorus in soils. Agricultural and Food Science, [S. l.], v. 37, n. 3, p. 175–185, 1965. DOI: 10.23986/afsci.71636. Disponível em: https://journal.fi/afs/article/view/71636. Acesso em: 23 nov. 2024.