The research is conducted November 2014 to March 2015, with the aim of obtaining the nutritional diagnosis of macronutrients in Ananas comosus L. Merr. Var. Roja Trujillana in the Santa Catalina Valley, La Libertad. 11 Analysis of water, soil 33 and 33 foliar They were held in the towns of Laredo, Puente Arquito, Shiran, Poroto, Canseco, Concon, Platanar, Guayabito, Samne, Rayampampa and Plazapampa. The soil and leaf samples were taken from pineapple fields first, second and third production year Roja Trujillana pineapple. (i) The irrigation water with a pH of 6.41 and an electrical conductivity of 0.71 dS/m provides average per hectare of 0 a 7 Kg of NO3-, 160-1455 Kg of K, 418-2070 Kg of Ca, 121-700 Kg of Mg and 262-1394 Kg of S Roja Trujillana cultivation of pineapple in the Santa Catalina Valley. (ii) 33 soil samples tested, 97% are poor in organic matter, 76% of medium to high in ph...