本文通过对无棣县水湾镇节水增产示范工程的分析,依据经济效益计算方法,对各类工程进行了年运行费及年效益计算,用静态分析法做出了效益评价及各类工程单项技术经济指标,证明示范工程的经济指标均属理想,并指出建设各类工程适宜的条件,为滨海平原中低产区农业开发、水利工程改造提供了经验。 Based on the analysis of water-saving and yield-increasing demonstration project of Shuibowan Town, Wudi County, this paper calculated the annual running cost and annual benefit for all kinds of projects according to the calculation method of economic benefits, and made the benefit evaluation by static analysis and various kinds of engineering The single technical and economic indexes prove that the economic indicators of demonstration projects are ideal, and point out the suitable conditions for the construction of various types of projects, providing experience for agricultural development and water conservancy project reconstruction in middle and low yield areas of the coastal plain.