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近年来,随着城乡人民生活水平的提高,人们对蔬菜、瓜果的品种、数量和质量均有更高的要求。加之城乡园林绿化和体育设施的发展,草地、花卉、树木的绿化面积增长很快,有些城市已超过总面积的30％。据国外资料介绍,在夏季,城市灌溉绿化带的用水量已占整个城市用水量的1/3左右,
In recent years, with the improvement of people’s living standards in urban and rural areas, people have higher requirements on varieties, quantity and quality of vegetables and fruits. Coupled with the urban and rural landscape and sports facilities development, grassland, flowers, trees green area increased rapidly, some cities have more than 30% of the total area. According to foreign information, in summer, the urban irrigation green belt water consumption has accounted for about 1/3 of the city’s water consumption,