Rhomadoni, F. R., Jamilatun, S., Hakika, D. C., & Auliasari, P. A. (2026). Potential of Rice Husk Biochar and Bio-Oil with Varying Soaking Times as Environmentally Friendly Fertilisers to Increase Cayenne Pepper Productivity. CHEMICA: Jurnal Teknik Kimia, 12(3), 247–256. https://doi.org/10.26555/chemica.v12i3.491