Al-Qodri, Taufiq, Bambang Gonggo Murcitro, Alnoopri Alnopri, and Prasetyo Prasetyo. “The Growth and Production of Three Sweet Potato Varieties As Affected by Dosage of Potassium Fertlizer on the Ultisols of Bengkulu Province”. TERRA : Journal of Land Restoration 4, no. 2 (December 18, 2021): 34–38. Accessed April 27, 2024. https://ejournal.unib.ac.id/terrajournal/article/view/19642.