This research aims to determine the effect of a combination of NPK fertilizer dose and LOF concentration pineapple peel waste on the growth of Brassica narinosa. This study was conducted in Gandus District, with location coordinates 3.661691,104.694446. The research was conducted from April to June 2024. This research used a Randomized Block Design (RBD) with factors: A (No treatment), B (NPK F…