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山东兖州水利局于1990年6月组织了28名职工对该县农村井灌管理组织及服务情况做了一次专题调查,现将调查所得总结如下: 一、井灌服务现状 (一)井机概况 兖州县地处淮河流域的山前冲积平原,地下水资源比较丰富。全县耕地面积65万亩,从六十年代开发机井以来至1989年底,全县机井13 336眼,贫水区开挖长条井23条,王因、漕河建有提水站二处。配套机械17 384台,14.63万瓩,有效灌溉面积62.27万亩,占总耕地面积的96％,轮灌周期7～10天左右,年提取地下水2.5～2.8亿m~3。在近十几年连续少雨干旱地下水位持续下降的情况下,广大农村充分利用现有井灌设施,通过各级井灌服务组织的职能
Shandong Yanzhou Water Resources Bureau organized 28 workers in June 1990 to conduct a special survey on the management and service of rural well irrigation in this county. The survey results are summarized as follows: I. Status of Well Irrigation Service (I) Overview of Well Machine Yanzhou Located in the Huaihe River Basin alluvial plain, groundwater resources are abundant. The county has a cultivated area of 650,000 mu. From the development of the well in the 1960s to the end of 1989, there were 13 336 wells in the county and 23 long strips of well in the water-poor area. Wangin and Caohe have two water pumping stations. 17 384 sets of machinery and 146,300 sets of supporting machinery, with an effective irrigated area of 62.27 million mu, accounting for 96% of the total cultivated area. The rotation period of irrigation is about 7 to 10 days, and annual extraction of groundwater is 250-280 million m 3. In the past ten consecutive years continuous dry rainwater table continues to decline, the vast number of rural areas to make full use of existing well irrigation facilities, irrigation services through various functions of organizations