Abstract: A robotic gantry (10) for conducting farming operations. The robotic gantry has a bridge (12) which is moved by propulsion mechanisms (14), one or more farming implements (16), a controller (38), and one or more devices (28, 30) to provide position information for the robotic gantry as it moves back and forth along a plurality of crop rows (40). The robotic gantry is connected to a power supply system (20) and, optionally, to a liquid supply system (22), which may be implemented as festoon systems. The controller is automated, self-navigating, and activates, deactivates, and/or changes the operation of the propulsion mechanisms, and deploys, retracts, activates, deactivates, and/or changes the operation of one or more of the farming implements. The height of the frame may be adjusted by height adjustment frames (18) to accommodate crops of different heights and at different times during a growing season.