ASHOK KUMAR. Productivity, economics and nitrogen-use efficiency of specialty corn (Zea mays) as influenced by planting density and nitrogen fertilization. Indian Journal of Agronomy, [S. l.], v. 53, n. 4, p. 306–309, 2001. DOI: 10.59797/ija.v53i4.4878. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/4878. Acesso em: 26 jun. 2026.