The method of spraying a phytosanitary liquid The present invention relates to a process of spraying a phytosanitary liquid onto vegetation planted on a land by means of an agricultural spraying machine (1) comprising means (10, 11) for displacement of the machine (1) on the ground surface (s), a spray ramp (2) comprising at least one arm (2a, 2b, 2c) to or at least one of the arms (2a, 2b, 2c ) of the ramp (2), a tilt member (3, 3a, 3b, 3c) of the arm (2a, 2b, 2c) relative to an agricultural machine chassis (12), a raise / lower member (30) of the ramp (2), a manual control system (38, 38a, 38b, 38c) of each tilt member (3, 3a, 3b, 3c) and the raise / lower member (30), a receiver (4), wherein the or at least one of the arms (2a, 2b, 2c) of the ramp (2) is provided with at least one sensor (6, 6a, 6b, 6c), wherein the or at least one of the ramp arms (2a, 2b, 2c) a (2) is provided with a measurement element (7, 7a, 7b, 7c, 70, 103) of a slope (a, alpha a, alpha b, ac, alpha 8, l103) in a plane (x1-z1； x2a-z1) perpendicular to the forward direction (y1) of a longitudinal axis (x2, x2a, x2b, x2c) of the arm (2a, 2b, 2c) and where the control unit (5) is connected to each sensor (6, 6a, 6b, 6c), the receiver (4) and the measuring element (7, 7a, 7b, 7c, 70, 103), equipped with an information storage memory (52) provided by each sensor ( 6, 6a, 6b, 6c), by the receiver (4) and each measuring element (7, 7a, 7b, 7c, 70, 103) and able to direct each tilt member (3, 3a, 3b, 3c) and the up / down organ (30) depending on the information (d, a, alpha 8, alpha a, alpha b, ac, l103) stored in memory (52).processo de pulverização de um líquido fitossanitário a presente invenção refere-se a um processo de pulverização de um líquido fitossanitário, sobre uma vegetação plantada sobre um terreno por meio de uma máquina agrícola (1) de pulverização que compreende meios (10, 11) de deslocamento da máquina (1) sobre a superfície (s) do terreno, uma rampa de pulverização (2) que compre
