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为试验研究适合辽宁省涝区自然条件的暗管排水规划设计及排水效果等问题,选定粘性土的海城县耿庄公社和砂性土的彰武县大德公社进行旱田暗管排水试验. 一、试验区基本情况 耿庄试验区位于海城县耿庄公社袁家大队西南,试验耕地面积为1,000亩,地势由东南向西北倾斜,地面比降约1/1000左右,地面高程为6～7米之间.土壤是暗色粘质草甸
In order to study the planning and design of underground pipe drainage and the drainage effect which are suitable for the natural conditions of waterlogging area in Liaoning Province, the underground pipe drainage test of dryland was conducted in Gengzhuang commune of Haicheng County and Dadong Commune of Zhangwu County in sandy soil I. Basic Conditions of the Experimental Zone The experimental zone of Gengzhuang is located in the southwest of the Yuanji Brigade of Gengzhuang Commune, Haicheng County with a cultivated area of 1,000 mu. Its terrain is slanted from southeast to northwest, the ground surface is about 1 / 1000th of its drop, and the ground elevation is 6 ~ 7 meters. The soil is a dark viscous meadow