HARTIKAINEN, H. Evaluation of water and ammonium acetate tests as indices for available P in limed soils. Agricultural and Food Science, [S. l.], v. 61, n. 1, p. 1–6, 1989. DOI: 10.23986/afsci.72346. Disponível em: https://journal.fi/afs/article/view/72346. Acesso em: 22 may. 2024.