Two-steps utilization of residual Shorea wood biomass (Meranti) from saw mill industry in Balikpapan, East Kalimantan,Indonesia was studied to point out its potential as the feedstock for the production of food and energy. For this purposes, oyster mushroom, Pleurotus ostreatus was cultivated on mixed sawdust of Shorea wood (major species; Shorea leprosula), and then the residual wood obtained …