The Quimifol application, developed by Fênix Agro, is an important toolto assist producers in meeting new demands for productivity in the field.Provides information on nutritional deficiencies in the main commercial crops of Brazil.Through photos of leaf samples and description of characteristics indicates the patterns that occur with the limitation of nutrients in the crop.The APP also presents Nutritional Programs for more than 40 crops with recommendations for use and dosage.Solutions for foliar treatments, seeds and roots, soil correction and for the reproductive and fruiting periods.All to promote better conditions for the final quality of fruits and grains.It also provides the guarantees for all products of the Quimifol, Niphokam, RayNitro and Quimiorgen lines,organized through the lines of Micronutrients, Macronutrients, Plant Activators, Adjuvants, Salts and Fertirrigation.The functionalities of the application can be used by all, free of charge, however they do not replace the technical and face-to-face follow-up of a Quimifol Agronomic Engineer. He is the professional indicated to evaluate the characteristics of each property and to elaborate the nutritional program that will provide better productivity and performance in the field.