Nitrate reductase enzyme activity as a nutritional indicator in maize under two irrigation systems. Agro Productividad, [S. l.], 2025. DOI: 10.32854/an2k3y21. Disponível em: https://revista-agroproductividad.org/index.php/agroproductividad/article/view/3533. Acesso em: 11 jun. 2026.