The invention relates to the technical field of
agriculture and
forestry apparatuses, in particular to a
crop automatic watering device. The
crop automatic watering device comprises a shell and a hydraulic telescopic device, a
nozzle is fixedly connected to the top of the shell, a
fixed frame is arranged at the outer side of the
nozzle, the vertical hydraulic telescopic device is fixedly connectedto the top of the
fixed frame, a
rubber sheet is arranged below a hydraulic rod, a connecting rod is fixedly connected to the upper end face of the
rubber sheet, a fixed rod is fixedly connected to the top of the
rubber sheet, a water pump is fixedly connected to the center of the bottom of the shell, a water inlet tank is arranged at the bottom of the shell, a drainage groove is formed in the outer side of the water inlet tank, a
water pipe is fixedly connected to the bottom of a water inlet hole, a storage battery is arranged at the left side of the water inlet tank, and a
humidity detectoris fixedly connected to the bottom of the storage battery. When soil is low in
humidity, the
nozzle is controlled to spray water, crops are protected, and the
crop automatic watering device is huge in economic benefit and good in market prospect and worthy of being applied and popularized.