This research had been conducted at the Experimental station of PT. Pupuk Sriwidjaja Palembang from December 2021 to April 2022. This research aims to observe the effect of NPK, biofertilizers and micro nutrient fertilizers as well as to determine a better combination of NPK fertilizers in increasing Available-P and Exchangeable-K, P and K uptakes and sweet corn (Zea mays saccharata Sturt L.) p…