Array-type drip irrigation control device capable of automatic feedback of soil humidity and control method thereof

The invention provides an array-type drip irrigation control device capable of automatic feedback of soil humidity. The array-type drip irrigation control device comprises a power supply unit, soil humidity monitoring units, a control unit, a solenoid valve and a drip irrigation pipe, wherein the power supply unit is connected with the soil humidity monitoring units, the control unit and the solenoid valve respectively; and the solenoid valve is connected on the drip irrigation pipe; a plurality of soil humidity monitoring units are arranged and distributed in the soil to be detected in an array manner. The invention also provides a control method of the array-type drip irrigation control device. The array-type drip irrigation control device capable of automatic feedback of soil humidity can be used for effective monitoring and estimation of the soil humidity condition and active drip irrigation of water and fertilizer, effectively improves the working efficiency, and reduces pointless waste of water and fertilizer.