KÄHÄRI, J.; ELONEN, P. Effect of placement of fertilizer and sprinkler irrigation on the development of spring cereals on the basis of root investigations. Agricultural and Food Science, [S. l.], v. 41, n. 2, p. 89–104, 1969. DOI: 10.23986/afsci.71729. Disponível em: https://journal.fi/afs/article/view/71729. Acesso em: 20 may. 2024.