Kusumastuti, A., Same , M., Nurhasanah, Zuhdi, A. M. H. and Mar’ah, D. L. . (2026) “Second-Year Biochar Residue and NPK Fertilizer Effects on Soil Mesofauna and Microbial Activity in Patchouli (Pogostemon cablin Benth.)”, Acta Solum, 4(2), pp. 100–109. doi: 10.20527/actasolum.v4i2.3560.