The invention discloses a field
surface irrigation device. The field
surface irrigation device comprises a water suction pump, wherein the water suction pump is connected with a water conveying main pipeline; a first
gate valve, a filtering device, a water and
fertilizer mixing device and a second
gate valve are sequentially arranged on the water conveying main pipeline; a plurality of detachable
branch pipelines are arranged on the water conveying main pipeline below the water outlet end of the second
gate valve; a sub-control valve is arranged on each
branch pipeline; the lower end of each
branch pipeline is connected with a
transverse field-in
pipe; a plurality of gates are arranged at the side edge of each field-in
pipe; the distance between the gates are consistent with the field distance; and a flow
detector is arranged at the water outlet of each gate. The field
surface irrigation device further comprises a temperature and
humidity sensor, and the temperature and
humidity sensor, the flow
detector, the first gate valve, the second gate valve, the sub-control valve and the gates are in
signal connection with a controller. The field surface
irrigation device can supply both water and fertilizers during
irrigation, saves manpower,
material resources,
water resources and time, greatly meets
nutrition demands for
crop growth, and facilitates automatic management.