Vertical connecting device of fruit tree/cotton micro-irrigation double branch pipe regulating and controlling irrigation system and application device thereof

The utility model discloses a vertical connecting device of a fruit tree/cotton micro-irrigation double branch pipe regulating and controlling irrigation system and an application device thereof. In a fruit tree/cotton intercropping mode, a main pipe and branch pipes are ground-laid perpendicularly; the main pipe is laid below the ground; at the connecting position among the branch pipes and the main pipe in a drip irrigation system, a reducing tee is arranged to connect the branch pipes and the main pipe and is connected with a ground-surface water-supply opening; a tee is arranged at a position where a ground-surface water-outlet opening is located; a control valve is arranged on each of the two bypass ends of the tee; a branch pipe tee is connected with each of branch pipe control valves; the branch pipes are connected with the two bypass ends of the branch pipe tees; the branch pipes are provided with capillary tubes of different types based on needs; one branch pipe is used for supplying water to fruit t