This study was conducted in Faculty of Agriculture North Sumatera University. This study used a factorial completely randomized design (FCRD) consisting of two factors. The first factor was type of grass and the second factor is the microfer level with 5 treatments and 3 replications. The results of the diversity analysis showed the use of MVA significantly (P <0.05) in the degree of root infection and phospor uptake. This study use five types of grass (S) with MVA levels (M). The ratio of the degree of root is found in the M3 treatment 47.53% and the ratio of phosporus uptake is found in the M3 treatment 110.10% and the ratio of phosporus uptake is found in the S1 treatment 91.85%. From this study, it can be concluded that the best treatment is found in M3 treatment.