The present titled project "Evaluation Multilocal of the Efficiency and Hybrid Adaptation of 4 of lntroduced Hard Yellow Corn of the Brazil to the Central Huallaga"; he/she has as objective, to determine the hybrid agronomic value of 4 of introduced hard yellow corn of the Brazil, in the sectors of Buenos Aires, Huinge, and Puerto Rico; and to determine the economic analysis of the studied treatments. The investigation work was carried out in the sectors of Buenos Aires, Huinge and Puerto Rico. Each one dista of the highway Fernando Belaunde Terry: Buenos Aires to 2 Km to the south right margin. Huinge to 1 Km to the south left margin, Puerto Rico to 30 Km to the south left margin. The experiment was carried out at random under a design of complete blocks with 9 treatments ar hybrid and 3 repetitions, the hybrid employees were BRS 1010, NK STAR, MASTER, BRS 1001, AG 5572, BRS 3151, XB 80...