Pradana, Andy, and Al Machfudz WDP. “Application of Potassium Fertilizer and Chicken Coop Fertilizer Against Growth and Production of Shallots (Allium Ascalanicum L.): Aplikasi Pupuk Kalium Dan Pupuk Kandang Ayam Terhadap Pertumbuhan Dan Produksi Bawang Merah ”. Nabatia 9, no. 1 (June 15, 2021). Accessed January 26, 2026. https://nabatia.umsida.ac.id/index.php/nabatia/article/view/1454.