This study aims to determine the main effect of OPEFB Compost and NPK 16:16:16 on the growth and yield of cucumber suri. This research was carried out at the Experimental Garden of the Faculty of Agriculture, Islamic University of Riau Pekanbaru for 4 months, starting from August to November 2022. This study used a factorial Completely Randomized Design (CRD) consisting of two factors. The firs…