BRUGINSKI, Denise Heimbecker. NITROGEN IN COVERING IN THE SUNFLOWER CULTIVATION IN NOTILLAGE SYSTEM. Scientia Agraria, [S. l.], v. 1, n. 1, p. 75–75, 2000. DOI: 10.5380/rsa.v1i1.986. Disponível em: https://revistas.ufpr.br/agraria/article/view/986. Acesso em: 4 jan. 2026.