With the land so arid, he spends a lot of time tending to the system of irrigation ditches that run through the property.
土地很干旱,他花费了大量的时间去挖掘灌溉水渠来灌溉牧场。
For example, cheap forms of irrigation have depleted the water table in many farm areas of India, while at the same time adding near-toxic levels of salts from fertilizers to the soil.
例如成本低廉的灌溉方式已经使印度很多地区的地下水干涸,化肥中高剂量的盐分残留在土壤内。
And, the system can realize functions of automatic irrigation, drainage warning, real time clock, historical data inquiry, data up-transmission and two-way communication.
系统能够实现自动化灌溉,具有排水警示、实时时钟、历史数据查询、数据上传及双向通信等功能。
Worry about it out of trouble, while in time "water Margin" and to critique, while rolling a large Bei Bei irrigation water, trying to pressure down the heat just budding.
担心它又出来闹事,一边赶《水浒传》的稿件时,一边咕噜咕噜地灌了一大杯杯水,试图把刚萌芽的热气压下来。
But for a long time past, the study on the river by scholars chiefly focused on the state of its silt, and the changes in its course and irrigation, with little discussion about its appellation.
但是,多年以来,学者们对黄河的研究多集中于黄河的泥沙情况、河道变迁和水利变化等问题,而对黄河名称的由来论述甚少。
This paper advances an economic evaluation method to prove the economic rationalization for renewal of irrigation techniques and determine the proper time for the renewal.
本文提出了灌溉技术更新的经济评价方法,用于论证技术更新的经济合理性,并确定适宜的更新时间。
The irrigating water quota , number of irrigation and frequency of irrigation , which is sure to provide the water in time to the forage grass field and get highly stable yield .
为保证饲草料地土壤水分的适时供给并获得稳产高产所确定的灌溉定额,灌水次数和灌水时间。
At the same time, the method of irrigation for konjac no-soil cultivation is studied.
同时对魔芋无土栽培的灌水方式也进行了研究。
It is based on actual evapotranspiration capacity, effective rainfall and water reserve of soil to forecast irrigation time.
以实际蒸发蒸腾量、有效降雨量和土壤贮水量来预报未来灌水时间。
And the skilled technicians who devised irrigation system and erected the marvelous buildings of the ancient world were the civil engineers of there time.
设计灌溉系统和建立了优秀建筑的古代世界的技术高超的技师是当时的土建工程师。
The soil temperature in different time performance different, but all are lower than that of drip irrigation under mulch film.
不同渗灌处理在不同时段内地温表现不同,但都比膜下软管滴灌略低。
The study of influence of sowing humidity, irrigation and sowing time on the growth and yield of cotton was carried out in this paper.
通过播墒、灌水次数、播期对棉花的生长发育和产量的影响进行研究。
The economic benefit of irrigation and exposing polyethylene mulch after 35 days in the experiment with different exposing polyethylene mulch and irrigation time was best.
不同时间揭膜与灌水试验以35天揭膜后灌水的处理经济效益最好。
The next essential piece of information is the total amount of time that the irrigation system operated that night, also referred to as "total run time."
第二和重要的数据信息是每晚喷灌系统运行的总时间,称作总运行时间。
Uniform irrigation requires that this period of time be no longer than one fourth of the total irrigation period.
均匀灌溉要求灌水时间不长于总灌水时间的四分之一。
Research results showed that the surface shape factor was not a constant value, but a variable value with the change of irrigation time, water advance distance and other factors.
研究表明同一次畦灌过程中地表储水形状系数并非恒定值,而是随灌水时间和水流推进距离等因素变化的。
At the same time, the multiple cropping index, irrigation area, grain yield and the rate of irrigation had been improved increasingly.
耕地灌溉率、复种指数、耕地灌溉面积、粮食产量不断提高;
Sediment deposition exists in the lake mouth of Changdou Harbor for a long time and develops seriously. It exerts great influences on the discharge and irrigation capacity of the river.
长兜港口门淤积现象由来已久,且呈日趋严重之势,极大影响了河道泄洪排涝与灌溉能力的发挥。
Comparative experiments was conducted on the effect of one-time irrigation and fertilization on the DBH and crown density of young 107 poplar plantations of even planting density.
对等密度107杨幼龄林进行一次性施肥灌溉措施对比试验,结果表明,一次性水肥措施对其幼林未郁闭前各龄期胸径生长量和郁闭度均有促进作用。
A real-time forecast model of irrigation schedule verified with the real-time data is established, incorporating suitable methods of monitoring soil moisture and predicting soil water for region.
将提出的墒情监测方法及区域土壤水分预报方法,应用于构建整个灌区的实时灌溉预报模型之中,并在灌溉预报过程中进行实时修正。
To satisfy heavier irrigation tasks for the time being, the system adopts PLC programmable controller to take place of traditional relay protection of power system.
使用PLC可编程序控制器取代传统的继电保护控制,以满足目前日益繁重的灌溉任务;
The optimal sprinkler configuration of center-pivot irrigation system can be obtained with the model, at the same time, the demand flow and head pressure were given.
利用该方法和数学模型可确定中心支轴式喷灌机的最佳喷头配置方案,同时得出与该方案相匹配的机组入机流量和入机压力。
So, a real-time irrigation control system based on plant physiological water needing information was established, and the effect experiment of irrigation control was made.
为此,本文在监测系统的基础上扩展了系统功能,建立了基于植物生理需水信息的温室滴灌自动控制系统,并进行了灌溉控制效果实验。
At the same time, in view of the change of soil water storage, it simulates dynamitic change among atmospheric rainfall, groundwater, irrigation, forest transpiration, deep drainage and soil water.
同时模型根据土壤水贮量变化来模拟月森林水量平衡,它详细模拟了大气降水,地下水、人工灌溉、林分蒸腾量、渗透水量和土壤水之间的动态变化。
At the same time, the Catholic Church built a series of irrigation works. The Church expanded its sphere of influence through the control and expansion of water systems.
与此同时,天主教会还组织教民开发了一系列水利工程,通过控制和扩张水利系统来继续扩大其势力范围。
The irrigation way was drip irrigation during experimental time, and the control of soil water content was mainly by oven drying method as well as assistance of TDR.
试验期间灌水采取滴灌方式,土壤水分控制以称重法和取土烘干法为主,辅以TDR法。
Whether the shallow layer of soil or the deep layer of soil, from 8:00 to 20:00, each treatment at different time, soil temperature were inverse ratio with water irrigation amount.
无论土壤浅层还是土壤深层,各不同处理在8:00 ~ 20:00之间各个时刻土壤温度的高低都与灌水量的多少成反比。
Whether the shallow layer of soil or the deep layer of soil, from 8:00 to 20:00, each treatment at different time, soil temperature were inverse ratio with water irrigation amount.
无论土壤浅层还是土壤深层,各不同处理在8:00 ~ 20:00之间各个时刻土壤温度的高低都与灌水量的多少成反比。
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