This paper addressed the sprinkler equipments supply in China and water saving effect, as well as the affecting factors in the irrigation efficiency.

本文系统阐述了我国喷灌设备生产水平，喷灌技术的节水效果和影响灌溉效率的因素。

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This method can decrease water quantity 33%, promote water using efficiency 40% compared with pouring irrigation, can also decrease nitrogen fertilizer quantity as well.

应用表明，采用潮汐灌溉方式的作物，其生长量明显优于人工浇灌方式，还可减少用水量33%，提高水分利用效率40%，还可减少氮肥使用量。

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