Amanah, Mar'atus Sholihatul, Anas Dinurrohman Susila, and Krisantini. “Fertilizer Efficiency of Ammonium (NH4+) and Nitrate (NO3-) by Fertigation in Shallot Production”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 53, no. 1 (April 14, 2025): 23–34. Accessed July 28, 2026. https://journal.ipb.ac.id/jurnalagronomi/article/view/58409.