V. V. KRISHNAMURTHI; K. K. MATHANI. Influence of sulphur and magnesium on growth and yield of sunflower (Helianthus annuus). Indian Journal of Agronomy, [S. l.], v. 41, n. 4, p. 41_4 , 2001. DOI: 10.59797/ija.v41i4.3718. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/3718. Acesso em: 25 jun. 2026.