内蒙古新增“四个千万亩”节水灌溉工程效益分析

The benefit analysis of water-saving irrigation engineering of new “Four Ten Million Mu” in Inner Mongolia

利用2012—2015年田间作物实测数据,对比传统种植方式,分析了内蒙古主要粮用作物和饲用作物膜下滴灌和大型喷灌的增产效益。研究表明,实施膜下滴灌后,大豆、玉米、马铃薯产量提高10.91%~69.29%,水分生产率提高27.68%~157.83%;实施大型喷灌后,玉米、紫花苜蓿、饲料玉米和青贮玉米产量提高8.24%~10.36%,水分生产率提高8.13%~41.15%。总体来看,实施高效节水灌溉工程后,内蒙古主要粮用作物和饲用作物有较大增产效益。

Used field crops to the measured data between 2012 and 2015,compared with traditional cropping pattern,with analysis of the Inner Mongolia food crops and forage crops film with drip irrigation to increase production efficiency and large sprinkler irrigation.Research shows that after implementing membrane under drip irrigation,soybean,corn,potato yield increased by 10.91%～69.29%respectively,water productivity were increased by 27.68%～157.83%.After the implementation of large-scale irrigation,corn,alfalfa,feed corn silage maize yield increased by 8.24%～10.3%respectively,and the water productivity increased by 8.13%～41.15%.Overall,after implementation of water saving irrigation project,main food with crop and forage crop in Inner Mongolia has great increase production efficiency.