CHINTYA, G.; DERMIYATI, D.; SARNO, S.; LUMBANRAJA, J. PENGARUH KOMBINASI PUPUK ORGANONITROFOS DAN PUPUK ANORGANIK TERHADAP NITROGEN TOTAL SELAMA PERTUMBUHAN JAGUNG MANIS (Zea Mays saccharata) DI TANAH ULTISOL. Jurnal Agrotek Tropika, [S. l.], v. 7, n. 1, p. 273–280, 2019. DOI: 10.23960/jat.v7i1.2992. Disponível em: https://jurnal.fp.unila.ac.id/index.php/JA/article/view/2992. Acesso em: 11 jan. 2026.