irrigation efficiency

To further strengthen the agricultural water and improve irrigation efficiency .

进一步加强农业节水，提高灌溉效率。

Application of stochastic frontier approach to measuring irrigation efficiency of rice production in irrigation districts under different management mode

随机边界方式测量灌溉效率在不同管理模式灌区水稻生产中的应用

Analytical method of irrigation efficiency of large size irrigation district

大型灌区灌溉水利用系数的分析方法

Study on Well Irrigation Efficiency of Irrigated Area

灌区井灌效率研究

Analysis of Soil Water Balance and Irrigation Efficiency for Irrigation District in an Arid Inland Region

干旱内陆灌区土壤水分平衡计算及灌溉利用效率分析

Analysis of Irrigation Efficiency in Pure-Well Irrigation Area

纯井灌区灌溉效率分析

A reservoir 's flood control and dispatch are directly related to the safety in flood control and its irrigation efficiency .

水库的防洪调度直接关系到防洪安全及兴利效益的发挥。

Irrigation efficiency : The irrigation efficiency and quality on NTS were reduced by stubble retention .

覆盖免耕由于秸秆的阻拦作用，灌溉效率和灌溉质量都受到一定的影响。

This makes full use of water in the area , effectively manages and maintains water conservancy facilities , improves irrigation efficiency .

使得苏北地区能够充分利用水源，有效地管理与维护水利设施，提高灌溉效益。

The relationship between soil moisture in various soil horizon and senescence , and irrigation efficiency of different irrigation scheme have been discussed .

文中还就不同层次土壤水分状况与衰老的关系及不同灌水方案的灌溉效益进行了分析。

This paper addressed the sprinkler equipments supply in China and water saving effect , as well as the affecting factors in the irrigation efficiency .

本文系统阐述了我国喷灌设备生产水平，喷灌技术的节水效果和影响灌溉效率的因素。

Coefficient representing the level of management is suggested based on the management standard reached , and an improvement is suggested to the traditional multiple multiplication method of calculating of irrigation efficiency .

根据灌区管理达标情况确定管理水平修正系数，并提出了改进传统的连乘计算公式的计算方法。

Water management and the development of water-saving agriculture bases on the scientific analysis on the potentiality of irrigation efficiency , but there are still debates on " real water-saving " .

正确分析灌溉效率增长潜力是水资源科学管理、节水农业健康发展的基础。

The result shows that application of hexagonal ( quadrangular ) sprinkler can reduce the engineering investment at more than 50 percent and effectively enhance the water use efficiency and irrigation efficiency .

结果表明，方形喷头在该型管网布置形式中的应用可以降低工程投资一半以上，并有效地提高了水资源的利用率和喷灌效率。

There are many reasons that result in low irrigation efficiency in our country . This paper argues that the deep one is that the defects in irrigation management institution have caused high transaction cost and low institution efficiency accordingly .

导致我国灌溉效率低下的原因是多方面的，本文认为深层原因在于我国灌溉管理制度的缺陷所导致的交易费用的上升和制度效率的降低。

Moreover , inferior irrigation efficiency enlarge the conflict of water resource supply and demand , intensify the problem of groundwater overdraft , restrict sustainable development of economy at irrigation districts and sustainable utilization of water resources .

而灌溉效益低下又进一步扩大了水资源的供需矛盾，使地下水的超采问题进一步加剧，严重制约着灌区经济的可持续发展和水资源的可持续利用。

The effect of the third and latter cycles on sinking were not distinct , therefore applying two circles , not only increasing the quality of irrigate and the irrigation efficiency , but also shorting the time of irrigation .

第三灌水周期及以后各周期对入渗率的影响不太明显，所以采用两个周期进行波涌沟灌不仅能有效提高灌水质量，而且可缩短灌水时间，提高灌水效率；

Well-irrigated area is one of major irrigated agriculture production area in China . To promote irrigation efficiency of water in well irrigated districts and production per cubic meter water is very significant to water conservation and improvement of agricultural productivity .

井灌类型区农业是我国重要的灌溉农业类型区之一，提高井灌区的灌溉水利用率和单方水的生产效率，对节约用水，提高农业生产水平具有重要的意义。

Ninety percent of irrigated water was consumed by grape with high irrigation efficiency . The furrow irrigation method showed low irrigation efficiency . Furrow irrigation efficiency was 31 % for Shanshan gravel sandy loam soil and was 70 % for Turpan clay loam soil .

滴灌灌溉水几乎百分之九十以上被葡萄所消耗，灌水效率较高；地面沟灌水分效率较低，鄯善含砾石砂壤土灌水利用率为31%，吐鲁番粘壤土为70%。

Chapter three is the irrigation water efficiency analysis of the Yangtze and the Yellow River basins .

第三章，长江、黄河流域灌溉用水效率分析。

Irrigation water efficiency of vegetable industry of Shandong province needs to be improved based on the data analysis of field research .

通过实地调研数据的分析，山东省蔬菜产业灌溉用水效率已属较高水平，但仍有提高的空间。

To increase 10 % - 15 % of irrigation basin efficiency is an optional object , which needs to enhance the economic and technical assessments of water-saving measures and adopt a comprehensive policy system of water-saving irrigation .

到2020年，灌溉效率能再提高10%~15%就是极为不错的政策目标。今后需要加强节水的技术和经济评价，构建综合性节水技术推广的政策体系。

As the Haihe , Huaihe and Yellow River basins have already achieved a fairly high level of irrigation basin efficiency , exclusive reliance on upgrading such efficiency is unlikely to achieve balance of irrigation water in these basins .

在黄淮海地区，流域灌溉水利用效率已经较高，完全依赖于提高灌溉用水效率也不能实现流域的灌溉水平衡。

Influence factors of irrigation water use efficiency and its enhancing strategies

灌溉用水有效利用系数的影响因素及其提高策略

Irrigation of high efficiency in water use

高水效灌溉法

Temporal variation law of irrigation water use efficiency indicators based on stochastic frontier analysis

基于SFA的灌溉水利用效率指标随时间变化规律分析

Analysis of scaling variation of irrigation water use efficiency under typical irrigation regimes

典型灌溉模式下灌溉水利用效率尺度变化模拟

Temporal and spatial changing laws of irrigation water use efficiency factor were systematically analyzed .

系统分析了灌溉水有效利用系数在时空上的变化规律。

Scale effect research framework of irrigation water use efficiency indices in well-canal combined irrigation area

井渠结合灌区用水效率指标尺度效应研究框架

Impact Factors of Irrigation Water Use Efficiency Based on Principal Component Analysis , Case from Zhanghe Irrigation District

灌溉水利用率影响因素的主成分分析&以漳河灌区为例