TÄHTINEN, H. Nitrogen and potassium fertilization of potato . Agricultural and Food Science, [S. l.], v. 50, n. 2, p. 67–77, 1978. DOI: 10.23986/afsci.71958. Disponível em: https://journal.fi/afs/article/view/71958. Acesso em: 25 dec. 2024.