Method for performing nitrogenized foliar fertilization comprising a dose (0.25-8 kg-N/ha) of nitrate fertilizer and an overdose (17-22%) of nitrogen allowing to exceed a nitrogenized nutrition index (NNI) to 1 for the production of biomass and/or agronomic outputs, comprises reducing intensity and/or incidence of infective charge (iPathos) of a culture using an inoculum of microorganisms of saprophytes. ACTIVITY : Plant Protectant; Fertilizer. MECHANISM OF ACTION : None given.