水平畦灌技术参数对灌水质量及春小麦产量影响的试验研究  

Experimental study on influence from technical parameter of level-border irrigation on irrigation quality and spring wheat yield

作　　者：任建民[1,2] 李明顺[2] 董玉云[2] 冉新民[3] 

机构地区：[1]西安理工大学水资源研究所,陕西西安710048 [2]兰州交通大学土木工程学院,甘肃兰州730070 [3]兰州大学资源环境学院,甘肃兰州730000

出　　处：《水利水电技术》2010年第4期75-77,86,共4页Water Resources and Hydropower Engineering

基　　金：水利部国科司资助项目(TG0521);国家自然科学基金资助项目(10572090)

摘　　要：通过春小麦水平畦灌试验,研究了石羊河流域不同灌水技术参数组合对灌水质量和春小麦产量的影响。结果表明,在试验条件下,随着畦田纵坡的增大,灌水质量和春小麦产量降低;单宽流量越大,灌水效率越高,而单宽流量过大,有可能对田面造成冲刷,造成灌水均匀度降低;随着畦长的增大,灌水效率减小,灌水均匀度也减小。为此,提出了适合于石羊河流域金塔灌区水平畦灌的技术参数。Based on the experiment of the level-border irrigation for spring wheat, the influences from various combinations of technical parameters of the irrigation on both the irrigation quality and the yield of the spring wheat in Shiyanghe River Basin are studied herein. The result shows that under the experimental condition, the irrigation quality and the yield of the spring wheat decrease along with the increase of the longitudinal slope of field, while the larger the unit discharge is, the higher the irrigation efficiency is to be obtained; however, if the unit discharge is too large, the field surface is possibly to be eroded with the decrease of the irrigation uniformity. Furthermore, both the irrigation efficiency and the irrigation uniformity decrease along with the increment of the border check length. Therefore, the technical parameters suitable to for the level-border irrigation within Jinta Irrigation Area of Shiyanghe River Basin are put forward at last.

关 键 词：水平畦灌 技术参数 灌水质量 灌水均匀度 春小麦产量 石羊河流域 

分 类 号：S275[农业科学—农业水土工程]