畦灌(borderirrigation)是指在田间筑起田埂,将田块分割成许多狭长地块――畦田,水从输水沟或直接从毛渠放入畦中,畦中水流以薄层水流向前移动,边流边渗,润湿土层,这种灌水方法称为畦灌。
... border method of irrigation 畦灌 Interval Border Irrigation 隔畦灌溉 bench border irrigation method 条田灌溉法 ...
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But border irrigation and furrow irrigation can have disadvantages, such as possible water wastage and lower irrigation efficiency. So research is justified into the theory of border and furrow irrigation, to improve and perfect irrigation design.
因此研究畦灌和沟灌的理论,改进、完善畦灌和沟灌灌水技术,是灌溉农业发展的一个重要课题。
参考来源 - 畦沟灌溉水流运动模型与数值模拟研究·2,447,543篇论文数据,部分数据来源于NoteExpress
研究表明同一次畦灌过程中地表储水形状系数并非恒定值,而是随灌水时间和水流推进距离等因素变化的。
Research results showed that the surface shape factor was not a constant value, but a variable value with the change of irrigation time, water advance distance and other factors.
介绍了地面灌溉中畦灌水流运动的特性及零惯量模型。
The characters of border irrigation water flow movement of surface irrigation and its zero-inertia model have been introduced.
研究了辽西半干旱区井灌条件下褐土涌流畦灌的节水效果。
Water saving effects on surge flow border irrigation were studied under well irrigation in semi-arid area of West Liaoning.
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