This research aims to get the best combination dose of coal fertilizer and N,P,K Fertilizer. The research has been done on 10 years old mature oil palm marihat variety in estate oil palm PT Bumi Sawindo Permai Penyandingan Village, Muara Enim Regency, South Sumatera. This research start from July 2021 to December 2021. The design applied in this research was Randomized Block Design Factorial (R…