Jakhtar W, Octaviani T, Endriani. The Effect of The Biochar Application of Oil Palm Shells and Municipal Waste Compost on Soil Water Content of Coal Mine Reclamation and Soybean Yield. Akta Agrosia [Internet]. 2023 Dec. 31 [cited 2025 Apr. 3];26(2):66-72. Available from: https://ejournal.unib.ac.id/Agrosia/article/view/30159