POHJONEN, V. A dynamic model for determining the optimum cutting schedule of Italian ryegrass. Agricultural and Food Science, [S. l.], v. 47, n. 2, p. 71–137, 1975. DOI: 10.23986/afsci.71842. Disponível em: https://journal.fi/afs/article/view/71842. Acesso em: 28 apr. 2024.