Gamarra-Diezma, Juan Luis; Miranda Fuentes, Antonio; Llorens, Jordi; Cuenca, Andrés; Blanco Roldán, Gregorio L.; Rodríguez Lizana, Antonio (MDPI, 2015)
Ultrasonic sensors are often used to adjust spray volume by allowing the
calculation of the crown volume of tree crops. The special conditions of the olive tree require
the use of long-range sensors, which are less ...