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计算了圆形喷灌机节水示范区灌溉工程的建设投资费用、年运行费用和效益,并对其进行国民经济评价和社会效益、生态效益分析。结果表明,与地面传统灌溉方式相比,采用圆形喷灌机进行灌溉可以减少劳动强度,提高工作效率,增加作物种植收益,产生显著的经济、社会和生态效益。
The investment cost, annual operation cost and benefit of irrigation project of circular irrigation water saving demonstration area were calculated, and the national economic evaluation, social benefit and ecological benefit analysis were carried out. The results showed that compared with the traditional irrigation methods on the ground, irrigation with a circular irrigation machine can reduce labor intensity, improve work efficiency and increase crop planting benefits, resulting in significant economic, social and ecological benefits.