Norms for the diagnosis and recommendation integrated system for Signal grass . Scientia Agricola, [S. l.], v. 62, n. 6, p. 513–519, 2005. DOI: 10.1590/S0103-90162005000600001. Disponível em: https://www.revistas.usp.br/sa/article/view/22111.. Acesso em: 16 may. 2024.