This research aims to find out the influence of fertilizer on production plants. Due to insufficient feed intake in animals. The education and research By using the experimental plan has a Factorial Experiment In RCBD Tree Apartments is a component. Which were divided into 12 experimental units. The forage grass species, including three species of napier grass Chong first. Napier grass species of red and ate grass species, and there are four types of fertilizer, cow manure, chicken manure, pig manure and urea. The samples of each type of fertilizer each block. To see the growth and production of each grass species.