干旱条件下，超红短枝的光合速率、蒸腾速率、气孔导度、对水分的利用效率和羧化效率一直高于对照。
Under drought, photosynthetic rate, transpiration rate, stomata conduct, water use efficiency and carboxylic efficiency of the 'Super red Spur' was higher than control's.
通过大田实验研究了不同条件下覆膜对春小麦产量与水分利用效率的影响。
Researched effects of plastic film mulch on spring wheat growth and water use efficiency in different conditions by field experiment.
结果表明：乔木树种的水分利用效率远比草本和灌木树种低。
The results show that the water use efficiency of arbor is lower than one of herb and shrub.
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