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当前位置: 首页 > 文章 > 隔畦灌溉初步试验研究 节水灌溉 2007 (3) 14-17
Position: Home > Articles > Preliminary Experimental Study on Interval-border Irrigation Water Saving Irrigation 2007 (3) 14-17

隔畦灌溉初步试验研究

作  者：
王韶华;刘群昌;苏轶醒
单  位：
北京工业大学建筑工程学院;中国水利科学研究院水利所
关键词：
节水灌溉;地面灌溉;隔畦灌溉;日均耗水强度;土壤含水量
摘  要：
灌溉用水占我国社会总用水的60%左右。在各种灌溉方式中,地面灌溉占灌溉总面积的95%,其中畦灌又是地面灌溉的主要方法,因此研究畦灌中的节水措施对于发展农业节水具有重要意义。利用间隔畦灌溉的方法进行试验研究,并对结果进行统计、分析,得出如下初步结论:①隔畦灌溉比不设隔畦,单方灌水产量和水分生产率可提高15%和10%左右,田间日均耗水强度减少20%左右;②减产量与间隔宽度呈正比;③在1.0 m、1.2 m1、.4 m、1.6 m4种间隔情况下,间隔畦的宽度为1m时,单方灌水产量和水分生产率最高;④隔畦中的土壤含水量低于宽畦边的含水量,其差值随隔畦的宽度增加而增加。
译  名：
Preliminary Experimental Study on Interval-border Irrigation
作  者：
WANG Shao-hua1,LIU Qun-chang2,SU Yi-xing1 (1.College of Architecture and Civil Engineering,Beijing University of Technology,Beijing 100022,China;2.Water Conservancy Department of the China Institute of Water Resources and Hydropower Research,Beijing 100044,China)
关键词：
water-saving irrigation;surface irrigation;interval-border irrigation;optimal evapotranspiration rate;soil water content
摘  要：
The quantity of irrigation water is about 60% of the whole water-use quantity of China.The border irrigation is the main method of surface irrigation,which making up to 95% of the total irrigation area.So it is very important to study the water-saving measures for border irrigation to develop water-saving agriculture.Through experiment,this paper has drawn the preliminary conclusions as following.Firstly,under interval-border irrigation,the yield of one cube-meter water and water productivity could be increased by 15% and 10% or so,and the optimal irrigation rate could be decreased about 20% than border irrigation.Secondly,the production decrease has direct proportion with the width of the interval.Thirdly,among the four intervals of 1.0m,1.2 m,1.4 m and 1.6 m,the yield of one cube-meter water and water productivity are the highest when the interval is 1.0 m.Fourthly,the soil water content in the middle of the interval-border is lower than that in the side of irrigated border,and the difference increases with the increase of the interval width.

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