[1]
Utami, M. et al. 2026. Encapsulation of NPK in snake fruit peel biochar (Salacca edulis) and activated natural zeolite as a slow-release fertilizer for water spinach (Ipomoea reptans Poir). SAINS TANAH - Journal of Soil Science and Agroclimatology. 23, 1 (Jun. 2026), 82–91. DOI:https://doi.org/10.20961/stjssa.v23i1.110863.