Therefore, how to enhance arid and half arid area crops output and Water using efficiency has the important practical significance.

因此，研究如何提高干旱和半干旱地区作物产量和水分利用效率有较高的应用价值和现实意义。

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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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But Mr Chhatre says he and his colleagues have increased the efficiency of water collection using a variety of surface coatings.

但Chhatre先生表示，他和同事利用不同的表面涂层，增加了集水的效率。

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The efficiency of his design is further improved by using the moving piston to drive water through a special steam nozzle, which increases the effectiveness of the heat transfer between the inside and outside of the reactor.

ECONOMIST: Nuclear power