Fecha de publicación: 27/09/2022 Fuente: WIPO "hemp" The invention discloses a cup type hole planting automatic water vapor fertilizer supply device which comprises an automatic water supply device, a water absorption hemp rope, a plant tray, a water inlet, a device upper cover, a buoy and a device base, and a water control mechanism is arranged in the device; and a core water control device is arranged at the bottom of the water control mechanism. Through the design of the water control mechanism and the design of structures such as a buoy, the water amount and the water flow speed can be controlled during water flow conveying, so that the purpose of automatic water supply is achieved during water and gas supply, the water supply amount is proper and continuous, and use by a user is facilitated. The invention discloses an automatic water, air and fertilizer supply device for cup-type hole planting. Compared with other irrigation modes, the device is convenient and efficient, small and exquisite, easy to install, reasonable in design and low in water resource waste, manual participation is reduced, and automatic water, air and fertilizer supply is achieved.