KAILA, A. Residual effect of rock phosphate and superphosphate. Agricultural and Food Science, [S. l.], v. 41, n. 2, p. 82–88, 1969. DOI: 10.23986/afsci.71728. Disponível em: https://journal.fi/afs/article/view/71728. Acesso em: 24 nov. 2024.