This research is entitled "The effect of POC fertilizer from pineapple peel waste and NPK Mutiara 16:16:16 fertilizer on the growth and production of purple eggplant plants (Solanum melongena L.)" The aim of this research is to determine the interaction effect and main influence of POC from pineapple peel waste and NPK Pearls 16:16:16 on the growth and production of purple eggplant (Solanum mel…