蒸腾速率日均值高的沙生灌木光合水分利用效率日均值低，反之亦然。
The psammophilic shrub species with higher daily transpiration rate had lower average daily water use efficiencies and lower photosynthetic rates and vice versa.
采用盆栽试验对土壤干旱下不同品种冬小麦幼苗光合、蒸腾速率和水分利用效率进行了研究。
Pot experiments were carried out to study the photosynthetic rate, transpiration rate and water use efficiency of the seedlings of four winter wheat varieties under different soil drought.
水分利用效率的变化是光合和蒸腾综合作用的结果。
The variation of WUE was resulted from the joint effects of photosynthesis and transpiration.
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