KAILA, A. Phosphorus test values of fresh and air-dried soil samples. Agricultural and Food Science, [S. l.], v. 34, n. 1, p. 210–215, 1962. DOI: 10.23986/afsci.71584. Disponível em: https://journal.fi/afs/article/view/71584. Acesso em: 22 nov. 2024.