一个时期以来，皖北地区受持续干旱天气的影响，秋收作物受旱严重。人们抗旱通常采用的机械抽水灌溉方式需水量很大，据估算，浇一亩地大约用水500吨以上，同时由于土地平整程度差，极易造成高处浇湿一层皮、低地积水一大片的水资源浪费现象，不少群众对此已到了习以为常、熟视 Since a period of time, the northern part of Anhui Province is affected by the continuous drought weather and the autumn harvest crops are severely affected. People usually use the mechanical pumping drought water demand is very large, it is estimated that about 500 tons of water poured into an acre of more than the same time due to the degree of land formation is poor, can easily lead to a wet layer of skin height, a large area of ​​low water The phenomenon of waste of water resources, many people have become accustomed to this, familiar