Response of Maize to Humic Acid and Foliar Salicylic Acid Application. International Journal of Sustainability in Research (IJSR), [S. l.], v. 1, n. 2, p. 139–150, 2024. Disponível em: https://www.penerbitjurnalinternasional.com/index.php/ijsr/article/view/724.. Acesso em: 14 jun. 2026.