The Effect of Water on The Changes in Physical, Chemical, and Microstructural Properties of Oil Palm Empty Fruit Bunch Biochar. J. Penelitian Kelapa Sawit [Internet]. 2026 May 4 [cited 2026 Nov. 12];34(1):43-56. Available from: https://jurnalkelapasawit.iopri.org/index.php/jpks/article/view/366