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当前工业、城市用水量大,致使农业缺水,另一方面农业用水浪费现象又普遍存在,大部分农业灌溉依然采用传统的灌溉方式,也就是说有一半的水在输送和灌溉过程中被白白浪费掉了,不能被农作物利用。灌溉水利用率低,灌溉方式老式陈旧,水资源浪费严重,要想改变这种现状,实施高效的节水灌溉技术和加强管理与相应政策,确保水资源可持续利用。
At present, the industrial and urban water consumption is large, resulting in water shortage in agriculture. On the other hand, the waste of agricultural water resources is widespread. Most of the agricultural irrigation still uses the traditional irrigation methods, that is, half of the water is completely lost during transportation and irrigation Wasted, can not be used by crops. Irrigation water utilization is low, old-fashioned irrigation methods, serious waste of water resources, in order to change this situation, the implementation of efficient water-saving irrigation techniques and strengthen management and policies to ensure the sustainable use of water resources.