淮河流域农业灌溉用水量占总用水量的60%以上。
The irrigation water demand accounts for over 60 percent of the total water demand in the Huai River Basin.
灌溉用水量的预测影响因素很多,属于灰色系统问题。
The forecasting of irrigation water use is influenced by many factors and it belongs to the gray system.
新疆的农业是绿洲农业,灌溉用水量占总用水量的94%。
The agriculture of Xinjiang is oasis agriculture, The rate of irrigating water use is 94%.
首先简要分析并总结了现有灌溉用水量预测方法,指出了现有方法的局限性。
The methods used for the forecast of irrigation water use were first reviewed and the limits were analyzed.
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 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.
灌溉工程的量水设施是计量灌溉用水量,征收水费的依据,也是合理配水调度的重要手段。
The water-measuring devices of irrigation engineering are the basis of levying water charge, and also an important method of rational regulation of water resources.
现状灌溉用水量减少25%时,作物根区没有产生明显的积盐,地下排水量减少31.4%。
However, when irrigation application decreased by 25% the salt accumulation in root zone will not be obvious and the subsurface drainage flow will decrease by 31.4%.
人们还可以在封闭的灌溉系统中循环用水以减少用水量、避免径流造成土肥流失。
You’d reduce water use and end runoff by recycling water in a closed irrigation system.
人们还可以在封闭的灌溉系统中循环用水以减少用水量、避免径流造成土肥流失。
You'd reduce water use and end runoff by recycling water in a closed irrigation system.
同样,稻农只要时不时充分灌溉稻田就可以大幅减少用水量。
Similarly, rice farmers can sharply cut water consumption by flooding paddy fields only some of the time.
为了节水,一些住户和乡村俱乐部甚至移走草坪,减少灌溉草坪的用水量。
Some homeowners and country clubs are removing turf in an effort to reduce the amount of water used to grow lawns.
农业实践,主要是灌溉,为世界用水量67%以上。
Agricultural practices, mainly irrigation, account for 67% of world water consumption.
随着人均可用水量的不断下降,灌溉农业必须提高水资源利用效率,同时进一步采用有利于环境的经营和管理方式。
As per capita water availability decreases, irrigated agriculture will have to be more efficient in water use as well as more environment friendly in operation and management.
基于田间实测的地表水流推进过程,利用水量平衡法推求波涌灌溉间歇供水条件下的土壤入渗参数。
Based on water flow advance data observed in fields, infiltration parameters under surge water application were determined with water balance method.
采用这种设计方法可以提高喷灌灌水均匀度,并且能在不增加用水量和不均加能耗的情况下,增加支管灌溉面积。
By use of the suggested method, the irrigation uniformity of sprinkle-irrigation can be considerably improved and the irrigation area can be increased to a certain extent.
而我国农业用水量占全国总用水量比重高达72%左右,其中90%用于灌溉。
The water consumption of agricultural production amounts to 72% of the total water consumption in our country, and among them about 90% is utilized for irrigation.
潍坊又是农业大市,农业用水占全市用水量的85%,全市灌溉水利用系数在0.5左右,农业节水潜力巨大。
Weifang is also the big agricultural city, the water used in agriculture occupies 85% of the whole city water consumption. The utilization coefficient of the whole city irrigation water is about 0.5.
应用表明,采用潮汐灌溉方式的作物,其生长量明显优于人工浇灌方式,还可减少用水量33%,提高水分利用效率40%,还可减少氮肥使用量。
This method can decrease water quantity 33%, promote water using efficiency 40% compared with pouring irrigation, can also decrease nitrogen fertilizer quantity as well.
应用表明,采用潮汐灌溉方式的作物,其生长量明显优于人工浇灌方式,还可减少用水量33%,提高水分利用效率40%,还可减少氮肥使用量。
This method can decrease water quantity 33%, promote water using efficiency 40% compared with pouring irrigation, can also decrease nitrogen fertilizer quantity as well.
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