湖北省孝感地区南部平原,多为砂性土壤,粘性较重,易涝易旱,采用地面灌溉往往由于大水漫灌反而增加渍涝威胁。喷灌可以适时供水,灌水均匀,不受地形限制,节约用水,能解决旱涝矛盾。对口井半固定式喷灌系统在平原棉产区一问世,就显示了它的优越性,不仅解决平原区水利死角旱作物的灌溉,同时利用了地下水资源。对口井半 Xiaogan area of ​​southern Hubei plain, mostly sandy soil, heavy viscosity, easy flood and drought, the use of surface irrigation is often due to flooding floods but increased waterlogging threat. Sprinkler irrigation can be timely, uniform irrigation, without terrain restrictions, water conservation, drought and flood to resolve conflicts. As soon as the semi-fixed sprinkler irrigation system of the well came out in the plain cotton producing area, it showed its superiority. It not only solved the irrigation of dead water in the plain water area but also utilized the groundwater resources. Half of the well