The objective of this study was to value the effect of two organic fertilizers (dung of goat and manure of cow) on the growth parameters and yield of the three varieties of banana (musa spp) cultivated in Mulungu station.The test was conducted according to a device in split plot with three replicates. Three treatments have been valued: the dung of goat (T1), the manure of cow (T2) and a control treatment (without fertilizers) T0.The observations were about the circumference to the collar, the circumference to 1m the collar, the height of the banana trees, the number of the hands, the number of the fingers, the length of the fingers, the yield in régime. The gotten results showed that on the soil of the station of Mulungu, the banana trees dealt with 10 kg of dung of cool goat or manure of cow generated the best growths. However, the dung of goat to the same dose permit to get the best middle values of the length of the fingers 20.667cm, of outputs of 48,8 T/has is 75% during the survey.