Moringa Oleifera as a Substitute of Nitrogen (N) in Nata De Coco Production Payung Layuk, Elisa Winanda, Joula Sondakh and Meivie Lintang E3S Web Conf., 361 (2022) 04016 Published online: 29 November 2022 DOI: 10.1051/e3sconf/202236104016