SANDRA, P. Optimization of Nitrogen Fertilization in Corn Plants to Increase Yields on Marginal Land. Agricultural Power Journal, [S. l.], v. 2, n. 1, p. 23–32, 2025. DOI: 10.70076/apj.v2i1.65. Disponível em: https://heijournal.id/index.php/apj/article/view/65. Acesso em: 19 feb. 2026.