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.
选用高羊茅不同水分利用效率的遗传材料，利用盆栽试验对其水分和光合特性进行了研究，旨在揭示其水分利用效率差异的原因。
In order to reveal the cause of water use efficiency (WUE) difference, water and photosynthetic characteristics of Tall Fescue genetic materials with different WUE were studied in pot experiment.
在豫西旱区进行了抗旱栽培综合技术对烤烟光合特性和水分利用效率的影响试验。
The effects of drought resistant cultivation comprehensive techniques on photosynthetic characteristics and water use efficiency were studied in the west dry area of Henan Province.
结果表明，野生一粒小麦在叶片维管束解剖结构、水分利用效率及光合速率对光、温和CO_2的反应方面类似于C_4植物。
The results indicated that the wilddiploid T. boeoticum was similar to C_4 plants in leaf anatomy and in the response to light, temperature, CO_2 concentration and water.
利用PE模型，分别模拟了水稻前中期与后期不同株型的群体光合量、蒸散量以及水分利用效率。
Using the PE Model, the canopy photosynthesis, evapotranspiration and water use efficiency (WUE) for different rice plant types were simulated.
在各生育期蒸腾速率，光合速率及产量和水分利用效率均随供水量的下降而下降；
Transpiration rate, photosynthetic rate, yield and water use efficiency are decreased, as water supplydecreased.
表明控制性分根交替滴灌(adi)能在不牺牲作物光合产物积累的前提下提高玉米的水分利用效率。
It suggested that ADI could improve the water use efficiency without sacrificing the accumulation of biomass.
结果表明，各品种幼苗叶片光合速率、蒸腾速率和气孔导度均随土壤水分的减少而呈降低趋势， 叶片水分利用效率呈增加趋势。
The results showed that photosynthetic rate, transpiration rate, and stomatal conductance decreased and leaf WUE increased with soil water content declined.
结果表明，分根交替灌溉可增强烟株的根系活力，保持较高的光合速率，降低蒸腾速率，提高叶片瞬时水分利用效率；
The results indicated that root-divided alternative irrigation could increase root activities, photosynthesis rate and water use efficiency of tobacco leaf, but decrease transpiration rate;
结果表明：不同水分管理方式影响水稻地上部干物重、叶面积指数、光合速率、蒸腾速率和水分利用效率。
Different water managements had an important effect on above ground dry weight, leaf area index, leaf photosynthetic rate, leaf transpiration rate and water use efficiency.
结果表明：不同水分管理方式影响水稻地上部干物重、叶面积指数、光合速率、蒸腾速率和水分利用效率。
Different water managements had an important effect on above ground dry weight, leaf area index, leaf photosynthetic rate, leaf transpiration rate and water use efficiency.
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