The low efficiency of using water in modern city garden plant irrigation makes the situation of water-supply more serious.
现行城市园林植物灌溉，水的利用效率低，使本来就很紧张的城市供水更趋紧张。
Comprehensive analysis and research on the theory and practice of water use efficiency in irrigation district is conducted by using static plane and dynamic space models.
用静态平面和动态空间两种模型对灌区水资源利用系数进行了理论和实践的综合分析研究。
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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