The aims of this research was determine the dose of NPK fertilizer for the growth and number of bulbil of porang (Amorphophallus onchophyllus Prain.). This research was conducted from November 2021 to February 2022 at PT.Roesli Taher. The research methode used Randomized Block Design (RBD), with the treatment of NPK fertilizer doses plant-1 were (P0 = no application of NPK, P1 =15 g of urea + 7…