TÄHTINEN, H. The effect of boron fertilization on spring cereals . Agricultural and Food Science, [S. l.], v. 46, n. 3, p. 289–295, 1974. DOI: 10.23986/afsci.71886. Disponível em: https://journal.fi/afs/article/view/71886. Acesso em: 18 apr. 2025.