畦灌的几种变通方式已经被设想出来了。
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.
同时也表明采用该文所建经验计算式估算畦灌地表储水形状系数值是可靠的。
The model was applied to estimate water surface shape factor for forder irrigation was reliable.
根据大量试验研究成果，提出了波涌畦灌灌水技术要素设计的理论方法和经验方法。
Based on a great amount of experimental research, the theoretical and empirical design methods of surge flow border irrigation technical parameters are presented.
在一定范围内，适当缩短周期灌水时间，增加灌水周期数会提高涌流畦灌的节水率。
Within a certain range, the rate of water saving might be improved by adding number of irrigation cycles and shortening the period of irrigation cycle.
畦灌水流推进过程计算模型对确定灌水技术要素、田间平均入渗率和糙率有十分重要的作用。
Border irrigation current advancement process model plays an important role to determine irrigation technical index, average field infiltration rate and roughness coefficient.
小畦灌的应用历史已久，也有较好的群众基础，但理论研究、产品研发、技术推广工作方兴未艾。
There has been long history and wide extent for application of small border irrigation, but theoretical research, product development and technique popularization should be enhanced.
以传统地面灌溉(畦灌)为对照，分析了喷灌条件下，冬小麦农田土壤水分分布特征和水量平衡。
The characteristics of soil water distribution and soil water balance of winter wheat were analyzed under sprinkler irrigation, with surface irrigation (border irrigation) as the control treatment.
在露地栽培条件下，研究了不同氮、钾、钙水平处理以及喷灌、畦灌对生菜钙吸收和干烧心的影响。
Ca absorption and tipburn of lettuce were studied under different application of n, k, ca, sprinkler irrigation and border irrigation in open field.
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.
在对水量平衡模型进行修改的基础上，结合零惯量运动方程，以水量平衡方程为基础，对畦灌水流演进模型的结构进行了研究。
The explicit volume balance model was modified and combined with the motion equation of the zero inertia to predict water advance in border irrigation.
在对水量平衡模型进行修改的基础上，结合零惯量运动方程，以水量平衡方程为基础，对畦灌水流演进模型的结构进行了研究。
The explicit volume balance model was modified and combined with the motion equation of the zero inertia to predict water advance in border irrigation.
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