不同灌水次数对宁夏中部干旱区马铃薯的影响

The Influence of Different Irrigation Frequency on Potatoes in the Dryland in Middle Ningxia

针对宁夏中部干旱地区马铃薯灌溉的节水补灌问题,用对比实验和理论分析相结合的方法,并以节水灌溉技术、应用数理统计和计算机应用技术为辅助的工具与手段,研究膜下滴灌马铃薯的灌溉制度、耗水规律,综合分析作物需水关键期、限额灌溉技术、土壤含水率、产量、水分利用效率,提出宁夏中部干旱区适宜的马铃薯限额灌溉制度.

This article researches the irrigation program of Potato＇s mulch drip irrigation and water consumption regularity,comprehensively analyzes critical period of water requirement,limited irrigation technique,soil moisture content,yield,water use efficiency of crops,and puts forward appropriate Potato limited irrigation system suitable for middle part of Ningxia,the dry land area with the method of combining contrast experiment and theoretical analysis and the assistant instruments and means of watersaving irrigation technology,applied mathematical statistics and computer application technology,aiming to the water-saving supplemental irrigation problem of Potato in the dry land in middle part of Ningxia.