Comprehensive analysis and research on the theory and practice of water use efficiency in irrigation district is conducted by using static plane and dynamic space models.
用静态平面和动态空间两种模型对灌区水资源利用系数进行了理论和实践的综合分析研究。
Growth dynamics, yield, fruit quality and water use efficiency of greenhouse cucumber were studied under the different soil irrigation maximums in different seasons during initial bloom stage.
对不同栽培季节、不同土壤灌溉上限处理的温室黄瓜初花期的生长发育动态、产量、品质及水分利用效率进行了研究。
The order of water use efficiency and irrigation water use efficiency was both as follows: SM> ZM> SC.
水分利用效率和灌溉水利用效率均为稻草覆盖旱作>裸地旱作>常规水作。
The coupling effect of water and nitrogen on cotton yield and water use efficiency(WUE) was studied under different drip irrigation patterns.
研究施肥量和灌水量对不同滴灌模式棉花产量、水分利用效率（WUE）的水氮耦合效应影响。
But as the number of irrigation increased, the field waters consumption increased and the water use efficiency remarkably declined.
但随着灌水次数的增加，田间耗水量增加，水分利用效率明显下降。
The food yield per unit water is an important index, which indicate the efficiency of the irrigation water use and status of food production.
单位水量粮食生产能力是综合反映灌溉用水水平和粮食生产状况的重要指标。
High salinity of irrigation water resulted in lower average water consumption intensity of wheat during the whole growing season, but higher water use efficiency.
灌水矿化度的增加降低了小麦在生育期的平均耗水强度，增加了小麦的水分利用效率。
Compared with submerged irrigation, the growth of root, accumulation of above-ground dry matter, grain yield and water use efficiency were decreased significantly under dry cultivation.
旱种抑制水稻根系生长和地上部干物质积累，产量和水分利用率比淹水灌溉显著降低。
The effects of irrigation frequency and soil matric potential on potato growth and water use efficiency(WUE) under drip irrigation in North China were studied.
研究了滴灌灌溉频率和土壤水势对马铃薯生长和水分利用效率的影响。
The growth and physiological characteristics, yield and water use efficiency of corn in greenhouse were studied under different irrigation methods.
试验研究了不同灌溉处理对温室玉米的生长状况，生理特性及产量和水分利用率的影响。
Aimed at the objective of high-efficiency use of water resources, the optimal water resources allocation among different irrigation districts and different crops in Kaifeng city are studied.
以水资源高效利用为主要目标，对开封市内各地区之间水量优化分配进行了研究。
The rice yield of the controlled irrigation is almost equal to that of the CK, but the controlled irrigation reduces the amount of irrigation and increase water use efficiency.
控制灌溉在高产的条件下能够大幅度地减少灌溉用水量，提高水分利用效率。
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，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；
Due to no direct irrigation cost in Self-flowing irrigation Zone along Yellow River, the efficiency of water use is also lowest.
沿黄自流灌区由于没有直接灌溉成本，其用水效率也是最低的。
Due to no direct irrigation cost in Self-flowing irrigation Zone along Yellow River, the efficiency of water use is also lowest.
沿黄自流灌区由于没有直接灌溉成本，其用水效率也是最低的。
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