ABSTRACT Rice (Oryza sativa L.) is the primary staple food for most Indonesians, but its productivity in Riau Province declined from 4,1 tons.ha-1 in 2022 to 3,96 tons.ha-1 in 2023. One strategy to improve rice yields is enhancing soil fertility through the application of organic and inorganic fertilizers, such as bokashi and NPK. Bokashi improves soil microbial activity and nutrient availabil…