DODD, M. B.; CHAPMAN, D. F.; LUDEMANN, C. I.; GRIFFITHS, W.; TOZER, K. N.; DONNELLY, L. The measurement of perennial ryegrass persistence. Journal of New Zealand Grasslands, [S. l.], v. 80, p. 161–168, 2018. DOI: 10.33584/jnzg.2018.80.339. Disponível em: https://www.nzgajournal.org.nz/index.php/JoNZG/article/view/339. Acesso em: 10 jul. 2026.