大棚滴灌具有降低湿度、提高地温、节水、省工、高效、增产等许多优点。但大棚滴灌机械在使用中常出现灌水器损坏、滴孔堵塞、出水均匀度差及流量小等毛病。为避免以上毛病的发生,用户应注意以下几点:1.选择合适的滴灌机械:①通过计算或按设计要求,选择合适的水泵;通过计算设计出合理的供水管径和 Drip shed with a greenhouse to reduce humidity, improve ground temperature, water, labor, high efficiency, yield and many other advantages. However, greenhouses drip irrigation machinery used in the often appear emitter damage, drip hole plugging, poor water uniformity and flow problems. To avoid the above problems, the user should pay attention to the following points: 1. Select the appropriate drip irrigation machinery: ① by calculating or by design requirements, select the appropriate pump; through the design of a reasonable water supply pipe diameter and