Chiristiana, Marwanto, Marlin, Merakati Handajaningsih, and Septiana Anggraini. 2023. “Equal Substitution of Synthetic Nitrogen Fertilizer With Azolla Compost on Growth, Yield, and Nitrate Content of Green Onion in Ultisols”. Akta Agrosia 26 (2):87-97. https://ejournal.unib.ac.id/Agrosia/article/view/30518.