KAILA, A.; POHJANPÄÄ, A.-M. Observations on the effect of „Fertosan“- and „QR“- preparations upon the humification of straw. Agricultural and Food Science, [S. l.], v. 24, n. 2, p. 86–92, 1952. DOI: 10.23986/afsci.71319. Disponível em: https://journal.fi/afs/article/view/71319. Acesso em: 24 aug. 2024.