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坡地修梯田,是控制坡耕地水土流失的重要措施,也是山区建设基本农田的主要途径。我省西山二十八个水土流失重点县,尚有坡耕地900多万亩,修梯田任务很大。这一地区到1979年底,修建了120多座中小型水库、5588处机电灌站及不少人畜吃水工程和山顶水池,但没有充分发挥灌溉效益,其主要原因之一就是灌区坡地没修平,有水不能浇。 水力冲填筑坝的施工实践表明,利用水的力量造泥和输泥,工效高,成本低。水力冲填是否可用于坡地修梯田?这是一个值得探索的问题。 为了加快这一地区的基本农田
Slope cultivation of terraces, slope farmland is an important measure to control soil and water loss, but also the main way to build basic farmland in mountainous areas. Twenty-eight Xishan key soil erosion counties, there are still more than 900 acres of slope farmland, a great task to cultivate terraces. By the end of 1979, more than 120 small and medium-sized reservoirs, 5,588 mechanical and electrical pumping stations, and a large number of livestock and poultry breeding projects and hilltop pools had been constructed in this area. However, one of the main reasons for this is that irrigated areas have not been repaired, Water can not be poured. The construction practice of hydraulic impounding dam shows that making use of the power of water to make mud and lose mud has high work efficiency and low cost. Is hydraulic flushing suitable for sloped terraces? This is a question worth exploring. In order to speed up the basic farmland in this area