BASHIR, M.; SABAH, N. U.; TAHIR, M. A. Effect of biochar coated potassium fertilizer on yield and nutritional value of maize. Journal of Pure and Applied Agriculture, [S. l.], v. 10, n. 2, 2025. Disponível em: https://ojs.aiou.edu.pk/index.php/jpaa/article/view/3302. Acesso em: 4 dec. 2025.