Aidil Fitri, S.N. et al. 2025. Response of soil physics properties to liquid organic fertilizer from liquid waste from tofu factories and banana tubers in ultisol. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands. 14, 2 (Oct. 2025), 130–137. DOI:https://doi.org/10.36706/jlso.14.2.2025.760.