Asroh, Ardi, Nurlaili Nurlaili, and Fahrulrozi Fahrulrozi. “Produksi Tanaman Jagung (Zea Mays L.) Pada Berbagai Jarak Tanam Di Tanah Ultisol”. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 4, no. 1 (October 22, 2016): 66–70. Accessed March 29, 2024. https://jlsuboptimal.unsri.ac.id/index.php/jlso/article/view/146.