Multi-degree-of-freedom automatic earth cutting, fertilizing and backfilling device for citrus in orchard

The invention provides a multi-degree-of-freedom automatic earth cutting, fertilization and backfilling device for citrus in an orchard, and belongs to the technical field of automatic fertilization. Comprising a device carrying cart, a T-shaped crawler belt, a data processing device, a depth camera, a touch display screen, a lifting hydraulic arm, a rotatable foliar fertilizer applying spray head, a mechanical arm, an excavating device body, a digging shovel, an electric hydraulic arm, a fertilizer spray head, a fertilizer pressurizing device, a fertilizer storage bin, a mechanical arm supporting table, a fertilizer conveying guide pipe, an infrared sensor and an RGB camera. On the basis of a digital information map, collected and generated by an unmanned aerial vehicle, of citrus growth conditions, citrus trees in different geographical environments and different growth conditions can be dug with the most appropriate strength, efficient utilization of energy is achieved, fertilizer is fully utilized, and th