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1 灌区改革前的基本情况 龙角山水库位于乳山市境内,以灌溉为主兼顾供水、养鱼和多种经营。水库灌区建于1965年,设计灌溉面积0.76万hm2,共分4条干渠,干渠长96.64km,支渠长28.7km,各类建筑物462座,累计完成投资1225.65万元,形成固定资产1.054亿元。受益村达5个镇109个村。灌区自开发以来,到20世纪80年代初期,灌溉面积达到高峰,实灌面积年均0.31万hm2,
1 The basic situation of the irrigation district before the reform Longjianshan Reservoir is located in Rushan City, mainly to take into account the water supply, fish farming and diversification. The reservoir irrigation area was built in 1965 and has an irrigation area of 76,600 hm2. It is divided into 4 main channels with a trunk canal length of 96.64km, a branch canal length of 28.7km and various types of buildings of 462 with an accumulated investment of 12,256,500 yuan to form a fixed asset of 105,400,000 yuan . Benefit from the village of 5 villages 109 villages. Since the development of the irrigated area, by the early 1980s, irrigated area reached a peak, with an average annual irrigating area of 31 700 hm2,