YLI-HALLA, M. Effect of different rates of P fertilization on the yield and P status of the soil in two long-term field experiments. Agricultural and Food Science, [S. l.], v. 61, n. 5, p. 361–370, 1989. DOI: 10.23986/afsci.72363. Disponível em: https://journal.fi/afs/article/view/72363. Acesso em: 17 jul. 2024.