Fertilization of N, P and application of Crotalatria juncea green manure improve growth and increase the yield of maize in marginal dry land. Fertilization with doses of 135 kg N ha-1 + 66 kg P2O5 ha-1 and application of Crotalaria juncea green manure yield of maize obtained as many as 7.234 tons ha-1, while in fertilizing at the same dose without application of crotalaria the yield of 6.172 tons ha-1 is obtained.