LAY, J. White clover seed production with irrigation. NZGA: Research and Practice Series, [S. l.], v. 1, p. 70–73, 1980. DOI: 10.33584/rps.1.1979.3283. Disponível em: https://www.nzgajournal.org.nz/index.php/rps/article/view/3283. Acesso em: 28 jul. 2026.