宁夏扬黄灌区玉米畦灌灌溉制度试验研究
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摘要
为了提高宁夏扬黄灌区玉米灌溉技术,针对宁夏扬黄灌区激光平地条件下玉米大田灌溉缺乏相关灌溉制度系统研究的问题,采用大田小区对比试验方法,开展了激光平地、玉米畦灌灌溉制度试验研究。在综合分析玉米生育期土壤含水率变化、耗水量、作物产量、水分生产效率的基础上,研究提出了玉米生育期畦灌、灌水4次、灌水定额1 350～1 500 m~3/hm~2、灌溉定额5 400～5 500 m~3/hm~2的灌溉施肥制度。玉米畦灌目标产量15 000 kg/hm~2,水分生产效率达到2.37 kg/m~3以上。
For the lack of relevant irrigation systems for maize field irrigation under the laser leveling conditions in the Yellow River irrigation area of Ningxia,the experimental study of laser level and maize border irrigation system was carried out by using the comparison test method in this paper to improve the irrigation technology. The maize growth period border irrigation system was proposed based on the analysis in maize growth period on change of soil moisture content, water consumption, crop yield and water production efficiency. The irrigation fertilization system is that during the growth period the irrigation of the corn is four times, the irrigation quota is of 1 350 to 1 500 m~3/hm~2, and the irrigation quota is of 5 400 to 5 500 m~3/hm~2. The target yield of corn stubble irrigation is 15 000 kg/hm~2, and the water production efficiency is over 2.37 kg/m~3.
For the lack of relevant irrigation systems for maize field irrigation under the laser leveling conditions in the Yellow River irrigation area of Ningxia,the experimental study of laser level and maize border irrigation system was carried out by using the comparison test method in this paper to improve the irrigation technology. The maize growth period border irrigation system was proposed based on the analysis in maize growth period on change of soil moisture content, water consumption, crop yield and water production efficiency. The irrigation fertilization system is that during the growth period the irrigation of the corn is four times, the irrigation quota is of 1 350 to 1 500 m~3/hm~2, and the irrigation quota is of 5 400 to 5 500 m~3/hm~2. The target yield of corn stubble irrigation is 15 000 kg/hm~2, and the water production efficiency is over 2.37 kg/m~3.
引文
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[9] LOUA KOKOLY AUGUSTIN.基于GIS和CROPWAT的内蒙古河套灌区作物最优灌溉制度研究[D].北京:中国农业大学,2015.
[2]刘学军,王乐,张红玲,等.宁夏扬黄灌区玉米限额补充灌溉制度研究[J].水资源与水工程学报,2012,23(3):30-33.
[3]汤英,李金娟,韩小龙,等.宁夏中部干旱带覆膜沟灌玉米灌溉制度研究[J].节水灌溉,2014(3):9-13.
[4]李真朴,刘学军,翟汝伟,等.宁夏半干旱区玉米滴灌灌溉制度试验研究[J].水资源与水工程学报,2017,28(5):242-246.
[5]孙建书,陈天伟.宁夏河套引黄灌区(银北部分)主要作物畦灌节水型灌溉制度的确定[J].人民黄河,l998(增刊):32-36.
[6]田德龙,郭克贞,鹿海员,等.基于渠井双灌条件下的玉米灌溉制度优化[J].节水灌溉,2013(2):60-63.
[7]张建保,周立华,孟超,等.覆膜玉米节水灌溉制度试验研究[J].宁夏农林科技,2008(3):39-41.
[8]胡志桥,田霄鸿,张久东,等.石羊河流域主要作物的需水量及蓄水规律的研究[J].干旱地区农业研究,2011,29(3):1-6.
[9] LOUA KOKOLY AUGUSTIN.基于GIS和CROPWAT的内蒙古河套灌区作物最优灌溉制度研究[D].北京:中国农业大学,2015.