farm drainage meaning in English

农田排水

The drainage systems of urbanized area include the municipal drainage systems that consist of rain pipes and the hydrological drainage system that developed from the farm drainage system
摘要城市化地区的排水系统不仅包括由市政雨水管网构成的市政排水系统，还包括原属农田排涝范畴的区域排涝系统。
In the topic 1 , utilizing the natural lysimeters and drainage region in wudaogou station , based on expriment and imitation methods , frist the hydrology effect of drainage has been analyzed , and then the index of water logged farm drainage and suitable ground water level have been provided . on the theory of darcy rule and farm hydrodynamics , the standard and pattern and empirical formula of farm drainage system have been presented as well , and provide scientifically foundation for drainage planning
在农田排水技术研究中，利用五道沟实验站地中蒸渗仪和排水试验区，采用试验法和动态模拟法，分析了排水工程的水文效应，提出了农田排渍标准和作物适宜的地下水位埋深，采用达西定律和农田水动力学原理，提出了农田排水系统的规格、布置方式及经验公式，为排水工程规划提供依据。