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一、引言正确合理的农田灌溉,就是按农作物的需要,适时适量地把水输配到田间,造成适于作物正常生育的水份、养料、通气、热状况等条件.因此它是确保农业增产的根本措施.而灌溉方式则是影响增产幅度的重要因素.现在广泛采用的畦灌、沟灌、漫灌等统称地面灌溉.喷灌是新的喷灌技术,是利用专门设备把有压水送到需灌地段并喷射空中,散成细小水滴洒落田间进行灌溉.灌溉系统由水源及其工程、输水渠、水泵、动力机、压力管道和喷头等部
I. INTRODUCTION Correct and reasonable irrigation of farmland means to distribute the water to the field timely and properly according to the needs of the crops and to make the conditions of water, nutrients, aeration and thermal conditions suitable for the normal crop growth. Therefore, it is to ensure the agricultural yield increase Of the basic measures.While the irrigation method is an important factor affecting the yield.Now widespread use of irrigation, furrow irrigation, flood irrigation, etc. collectively referred to as surface irrigation.Printing irrigation is a new sprinkler technology, is the use of specialized equipment to send pressurized water to the required irrigation area And sprayed into the air, dispersed into small droplets scattered field irrigation. Irrigation system by the water and its engineering, waterways, pumps, power machines, pressure pipes and nozzles and other ministries