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淮北地区自然条件旱涝交替,过去是洪涝重于干旱,经多年治理有所变化,据最近十余年资料分析,淮北地区目前处于涝、旱各半,涝的损失仍略大于旱的状况,灌溉的相机性是自然规律。因此,旱的年份灌溉效益很高,甚至是关系到有收无收的问题。三十年来,淮北地区建设了一批又一批灌溉工程,但由于管理不善,所以不能长期生存。这是该地区在发展灌溉事业中长期尚未解决的一个问题。淮北地区如何进
In the past, floods and droughts were heavier than droughts and changed after years of governance. According to the data analysis in the past ten years or so, the losses in flood and drought in Huaibei are still slightly greater than those in the semi-arid areas, The nature of irrigation is a matter of nature. Therefore, irrigating benefits are very high in dry years and even involve the problem of collection and collection. Over the past 30 years, a batch of irrigation projects have been constructed in Huaibei area, but due to poor management, they can not survive for a long time. This is a long-standing unsolved problem in the development of irrigation in the region. Huaibei how to enter