Dystia winnie, and Benny Hidayat. “The Effect of Application Compost and Biochar from Salak Leaf Sheaths on Carbon Status and Growth of Corn Plants (Zea Mays L.) in Ultisol Soil”. Jurnal Online Pertanian Tropik 11, no. 1 (March 9, 2024): 26-36. Accessed November 22, 2024. https://talenta.usu.ac.id/jpt/article/view/15629.