CATINGAN-RATILLA, Berta; BRIONES, Victor P. EFFECTS OF NITROGEN LEVEL AND ROW SPACING ON THE GROWTH AND YIELD OF FLINT CORN. Annals of Tropical Research, [S. l.], v. 9, n. 2, p. 110–116, 1987. Disponível em: https://atr.vsu.edu.ph/article/view/681. Acesso em: 5 dec. 2025.