The main purpose of this research is to identify the effects of addition of urea in the amoniation of Kumpai Oil grass on fiber fraction. The research was done using two stage. The first stage was Kumpai Oil grass {Hymenachne amplexicaulis) amoniation for 21 days. The next step is the nutrition value analyzed in the Laboratorium Nutrisi dan Makanan Ternak Universitas Sriwijaya. This research us…