Heryani, Ulfa, Benny Hidayat, and Mukhlis. “The Utilization Of Some Of Biochar To Retain N-Total In Inceptisols”. Jurnal Online Pertanian Tropik 5, no. 3 (December 1, 2018): 374- 381. Accessed November 22, 2024. https://talenta.usu.ac.id/jpt/article/view/3103.