This research work was carried out in the project Vaccines of the Faculty of Agronomy (Fundo de Zungarococha), owned by the National University of the Peruvian Amazon entitled Ash dose with uniform amounts of cow and its effect on agronomic characteristics and forage performance of the Maralfalfa Grass (Pennisetum sp.) in Zungarococha - Peru - 2017. The evaluations were carried out at the ninth week after vegetative planting in bushes, in plots of 6 m2 of total area of 10.6 m2, established in an Ultisol soil. The design was Randomized Complete Blocks (DBCA), with five treatments and four repetitions, using the infostat statistical package, the treatments under study were: T0 (0 tons of ash / hectare), T1 (100 tons of ash / hectare), T2 (200 tons of ash / hectare), T3 (300 tons of ash / hectare) and T4 (400 tons of ash / hectare). According to the results obtained in the present investiga...