本装置包括水平的主管道 ,主管道的同侧面均匀分布连有多根水平的支管道 ,支管道壁上有多个渗水孔 ,主管道中间连有垂直的入水管道。水平主管道和支管道埋入蔬菜大棚土壤表面下方 ,支管道沿着蔬菜大棚内的每一条垄 ,水通过主管道的入水管道、主管道、支管道和支管道上的渗水孔 The device comprises a horizontal main pipe, wherein multiple horizontal pipelines are evenly distributed on the same side of the main pipe, a plurality of water seepage holes are arranged on the wall of the branch pipe, and a vertical water inlet pipe is connected in the middle of the main pipe. The horizontal main pipe and branch pipe are buried under the surface of the soil in the vegetable greenhouse. Each branch pipe along each ridge in the vegetable shed passes through the water inlet pipe, the main pipe, the branch pipe and the branch pipe water seepage hole