In order to reduce irrigation water use and improve irrigation efficiency for field crops, a irrigation device was designed.
为了解决大田作物定时定量灌溉控制问题,介绍了一种自行研制的可移动式农田小定额灌溉装置。
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。
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。
The low utilization efficiency has resulted from the adoption of some traditional Chinese irrigation methods.
利用效率低的原因是采用了中国一些传统的灌溉方式。
Water – improving the efficiency of irrigation systems.
提高灌溉系统的效率。
The actual water requirements differ according to plant, climate (most of the water withdrawn by plants is for cooling through evaporation) and the efficiency of irrigation.
实际的需水量根据植物种类,气候(植物吸收的大部分水用于进行蒸发降温),和灌溉效率的不同而有所不同。
Linking the efficiency of drip irrigation to the reliability of a solar-powered water pump, the PVDI systems need no batteries, gas, or kerosene.
这一系统将滴灌的高效性与太阳能水泵结合起来,它既不需要电池与汽油,也不需要煤油。
There is consensus on boosting the efficiency of irrigation, the main draw on the river.
各方达成的共识是进一步提高农田灌溉效率。这也是该地区利用水利的主要形式。
The best way to determine your sprinkler system efficiency is to have a certified professional come to your property and perform a detailed irrigation audit.
最好的方法来确定你的喷灌系统是否高效,就是请一个认证的专业人士到现场做一系列的灌溉系统评估。
The low efficiency of using water in modern city garden plant irrigation makes the situation of water-supply more serious.
现行城市园林植物灌溉,水的利用效率低,使本来就很紧张的城市供水更趋紧张。
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。
In order to improve usage efficiency of irrigation for city Greenland, Greenland irrigation fuzzy control system based on weather forecast information was developed in this paper.
为了提高城市绿地灌溉效率,设计了一种能够充分利用气象预报信息的城市绿地灌溉模糊控制系统。
The waste-water irrigation has brought considerable benefits of water and fertilizer efficiency to agricultural production.
因此,污水灌溉给农业生产带来了可观的水、肥效益。
Water Window Efficiency is a new term used by industry professionals to measure how efficiently the system is being operated during a nightly irrigation cycle.
灌溉窗口效率是一个新词语,被行业内专业认识用来衡量在一个周期内一个系统的工作效率。
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。
Land leveling is an important measure for improving the efficiency of farm land surface irrigation and saving the resources of water.
平整土地是提高农田灌溉效率,节约水资源的一项重要措施。
The key problem needed to be solved in water saving agriculture is to increase the utilization efficiency of rainfall and irrigation.
提高自然降水和灌溉水利用效率是节水农业要解决的中心问题。
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。
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。
Therefore, it is an effective way to find a practical water-saving irrigation techniques which was used to increase water use efficiency to solve these problems.
因此,寻求切实可行的节水灌溉技术来提高水分利用效率是解决当地干旱缺水问题的一项有效措施。
Basing on the formulas of "the irrigation water loss efficiency", educe the corresponding formulas of "resources-type" real water saving of all kinds of saving-water irrigation project.
根据推导的“灌溉水损失系数”公式导出了各种节水灌溉工程措施节水量的计算方法即本文所说的真实节水量的计算方法。
This technology can reduce pesticides and chemical fertilizer pollution, to save irrigation water and to raise the fertilizer efficiency.
该技术能减少农药、化肥污染,节省灌溉用水和提高肥料利用率。
Drip irrigation is the most water-saving irrigation technology with high efficiency. However, its expensive system cost seriously restricts extension and utilization of the technology.
滴灌是目前世界上最为节水的高效灌溉技术,但其昂贵的系统成本严重制约着该技术的推广应用。
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 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。
Winter wheat yield and water use efficiency under sprinkler irrigation condition were higher than that under surface irrigation condition.
喷灌条件下冬小麦的产量和水分利用效率明显高于地面灌溉。
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 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。
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