The aim of this study was to determine the response of shallots to the treatment of oil palm shell biochar growing media and NPK fertilizer. The research was conducted in Alang-alang Lebar sub-district, Palembang, South Sumatra from March to May 2020. This research used a factorial randomized block design (RBD) and the results of the observations were analyzed using variance and 5% BNT. The see…