Ideal equipment for weed control. Electro hydraulic arm for the cultivation between the plants in a row. The arm makes the necessary movement to avoid collision and damage to the plant. Allows working speeds up to 12 km/h.Developed for working around the plant even with a very small size (from 1 cm diameter of plant trunk). The use of different tools is possible, allowing both surface works without earth removal and deep works up to a working depth of 20 cm. The equipment is controlled by an adjustable sensing rod, equipped with an electronic inductive sensor. The system combines a parallelogram displacement with a radial movement, that provides an high accuracy and at the same time an high tolerance allowing deviations higher than 30cm in the plants line, or in the tractor trajectory.