The study aimed to determine the effect of cellulolytic microorganisms given and low doses of inorganic and the single factor on the growth of oil palm plantations in TBM-II. The study implemented in PT. Tunggal Perkasa Plantation, Air Molek, District pasir penyu, Indragiri Hulu, Riau Province. It was conducted from October 2012 to January 2013. The study uses Completely Randomized Design (CRD)…