An expert on farmland irrigATion says thAT underground irrigATion is the best way to wATer crops. It puts wATer where it is most needed AT the roots.
一位灌溉专家说，地下灌溉是给作物供水的最佳方法，因为它把水灌到最需要的地方。即根系近旁。
Other things that impressed me deeply are the underground Jiaohe and Gaocang, the dried ancient corpuses and the underground irrigation canal networks.
我印象深刻，是地下蛟河和Gaocang，干古语料和地下灌溉渠网的其他事项。
Theoretical analysis of local-control irrigation, i. e. , non-pressure underground irrigation, is conducted, and soil water movement equation is presented.
对局部控水灌溉（无压地下灌溉）技术从理论上进行了分析，并给出了其土壤水分运动方程。
The feasibility and mechanism analysis of a penetrable pipe for soil base in the field used to irrigate and drain was disccued by mpns of the analyais of present underground irrigation systems.
通过对现有地下灌溉系统的分析，论述了田间地下土基透水管灌溉、排水兼用的可行性及机理分析。
Millions of irrigation wells in many countries are now pumping water out of underground sources faster than rainfall can refill them.
在许多国家，数以百万计的灌溉井现在从地下水源抽水的速度，超过了降雨所能再次填满的速度。
And almost all of the irrigation water is from underground.
几乎所有灌溉用水都来自地下。
Underground and aboveground pipes, valves, drains, controllers and electrical wiring are all elements in a landscape irrigation system.
地上和地下管道，阀门，排水渠，控制器和电线在一个景观灌溉系统的所有元素。
Rainwater collected by the coverage is directed to an underground reservoir serving the garden irrigation during dry period.
通过覆盖面直接收集雨水并将其引导到地下储层，在干旱期间用于花园灌溉。
Irrigation systems use water from underground when there is not enough rain.
当雨水不足时，灌溉系统会使用地下水。
Some hidden underground pipeline irrigation must be done before the trial can be hidden after passing.
埋地部分管道隐蔽前必须做灌水试验，试验合格后方可隐蔽。
Establishing water conservation irrigation garden by irrigated area itself is a new attempt on unified management and comprehensive utilization of the surface water and underground water.
由灌区自行建立节水灌溉园区是灌区地表水、地下水统一管理和综合利用的新尝试。文章就其中的有关问题进行了探讨与研究。
The study supplies a basis for reasonable exploitation and utilization of underground slight saline water irrigation.
该研究结果为灌区地下微咸水的合理开发利用提供了依据。
The different irrigation quantity has significant effect on growth rate and underground biomass of Tall Fescue.
不同灌水量对高羊茅生长速度、地下生物量的增加影响较显著。
The seep irrigation underground is a kind of water-saving irrigation technique.
地下渗灌是一种节水效果十分显著的节水灌溉技术。
The content of soil heavy metals and shallow underground water quality were not greatly influenced by making use of the renovated water for irrigation.
使用再生水对土壤中重金属含量及示范区浅层地下水水质未造成明显影响。
By means of numerical calculation, model test and field investigation the sedimentation of the underground culvert at the main irrigation canal in North -Jiangsu Province was analysed.
通过数值计算、模型试验和现场观测，对通榆河与苏北灌溉总渠立交地涵的泥沙淤积进行了综合分析。
A dense underground community forms around canals which connect the city with vast aquifers, provide transportation, and agricultural irrigation.
稠密的地下社区凭借连接地下城市蓄水层的河道构成。这些河道不仅提供了交通，也解决了农业灌溉。
Study on the basic seepage laws under different working heads, with zippered plastic pipes as percolation irrigation pipe embedded at different depths underground in the shelf.
采用拉链式塑料管作为渗灌管，在大棚中埋于地下不同深度，在不同工作水头下进行了基本渗流规律的试验研究。
Thus, it is feasible to implement underground drip irrigation in clover field, and the technique has a high extension value and a good development potential.
因此，苜蓿田实施地下滴灌是可行的，在新疆具有推广应用价值和发展潜力。
Most inland farmers rely on underground water for irrigation.
大部分内陆农民都依靠地下水灌溉土地。
The characteristics of alfalfa growth in the semi-arid sandy area for different buried depths of underground drip irrigation are studied.
研究了半干旱沙区不同滴灌带埋设深度下紫花苜蓿的生长特性。
The results show that the grass production of underground drip irrigation is higher than conventional furrow irrigation;
结果表明，地下滴灌比常规沟灌的苜蓿，鲜草出草率高；
There was no significant effect of burying depth on the underground biomass and root distribution, but the root density increased at each burying depth of drip irrigation emitter.
不同埋设深度对高羊茅根系分布有一定的影响，在每个滴头附近的根系密度和重量明显增加。
County is located in Hebei Plain, light and heat sufficient underground water is rich in beneficial irrigation, another benefit Shijin irrigation drainage and agriculture is developed.
县境位于河北平原，光热充足，地下水丰富，利于井灌，又有石津渠灌溉之利，农业发达。
County is located in Hebei Plain, light and heat sufficient underground water is rich in beneficial irrigation, another benefit Shijin irrigation drainage and agriculture is developed.
县境位于河北平原，光热充足，地下水丰富，利于井灌，又有石津渠灌溉之利，农业发达。
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