The relation between crop water use efficiency and crop productivity potential, crop yield were investigated.

研究了作物水分利用效率与作物生产潜力 、 产量的关系.

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Biological water – saving is a key link in improving crop water use efficiency.

生物节水是实现进一步提高作物水分利用效率的关键环节和潜力所在.

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Stomatal density may become lower while water - use efficiency ( WUE ) increases with ( CO 2 ) increasing.

表现在 光合速率 提高,呼吸作用受抑制,气孔密度减小,水分利用效率增加.

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However, any irrigation technologies should provide the cropcrop yield and water use efficiency.

然而任何灌水技术都是以应用为目标的,灌水技术不同,其应用效果也不同.

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