Afriliyanti, R., Yusnaini, S., Septiana, L.M., Hidayat, K.F. and Tama, A.W. 2025. COMBINED EFFECT OF BIOCHAR RESIDUE AND FERTILIZER APPLICATION ON MAIZE GROWTH AND PRODUCTION IN LAMPUNG ULTISOL. Jurnal Agrotek Tropika. 13, 2 (May 2025), 451–460. DOI:https://doi.org/10.23960/jat.v13i2.10691.