The invention relates to a spray for agricultural use, comprising at least one turbine (8, 9, 14) for generating an air current, a nozzle (1) having at least one window (3), one or more deflectors (4, 5), a series of openings (2) disposed in the area of influence of the air current, via which the product to be sprayed is incorporated in same, means (18, 19, 20, 21) for imputing information, a processor (16) for determining the optimum output flow of air for the spraying, and for determining the optimum coordinated configuration of the turbine (8, 9, 14) an the window (3) for each type of crop and spraying, and means (6, 10, 11, 12, 13, 15) for adapting the configuration of the turbine (8, 9, 14) and the window (3) to the optimum configuration.