ABSTRACT This research was conducted on August - Sept 2018 in the Kualu Nenas Village, Tambang District, Kampar regency, Riau Province. Objective of study was to determine the effect of different biomass A. microphylla increasing physics parameters of water on peatsoil.The method used in this study is an experimental method using a Complete Random Design (CRD) with 1 factor, 4 treatments a…