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6 .3 波涌灌溉设备波涌灌又称涌流灌或间歇灌。是地面灌溉的重大发展 ,2 0世纪 70年代源于美国 ,80年代传入我国 ,实践证明它是值得大面积推广的一种先进技术。6.3 .1 技术原理它和传统沟 (畦 )地面灌溉最大不同处是将低压大流量的灌溉水第一次灌水到沟 (畦 )一定距离后 ,暂
6 .3 surge irrigation equipment Surge irrigation, also known as gushing irrigation or intermittent irrigation. Is a major development of surface irrigation. It originated from the United States in the 1970s and was introduced into our country in the 1980s. Practice has proved that it is an advanced technology that is worth popularizing in a large area. 6.3 .1 Technical principle It and the traditional furrow (畦) ground irrigation biggest difference is the low pressure and high flow irrigation water for the first time to the ditch (畦) after a certain distance