Shabrina, F., M. Syarbini, and A. Hadi. “Pengaruh Pemberian Lumpur Padat Limbah Pabrik Kelapa Sawit Terhadap Ketersediaan Hara Pada Tanah Podsolik Dan Produksi Tanaman Jagung: The Effect of Providing Solid Sludge from Palm Oil Mill Waste on Nutrient Availability in Podsolic Soil and Corn Plant Production”. Acta Solum, vol. 3, no. 2, July 2025, pp. 86-93, doi:10.20527/actasolum.v3i2.2917.