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.
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.
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%.
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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