宁夏扬黄灌区玉米滴灌水肥一体化灌溉施肥制度试验研究

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英文篇名：Experimental Research on the Application of Integrated Fertilizer and Fertilizer System for Maize Drip Irrigation in Ningxia Yellow Irrigation Area 作者：刘学军 ; 翟汝伟 ; 李真朴 ; 刘平 ; 王文 英文作者：LIU Xue-jun;ZHAI Ru-wei;LI Zhen-pu;LIU Ping;WANG Wen;Ningxia Hydraulic Research Institute; 关键词：宁夏扬黄灌区 ; 玉米滴灌 ; 水肥一体化 ; 灌溉施肥制度 英文关键词：Ningxia Yellow Irrigation Area;;corn drip irrigation;;water and fertilizer integration;;irrigation and fertilization system 中文刊名：ZNSD 英文刊名：China Rural Water and Hydropower 机构：宁夏水利科学研究院; 出版日期：2018-09-15 出版单位：中国农村水利水电 年：2018 期：No.431 基金：国家科技支撑计划项目“黄土高原扬黄灌区(宁夏)增粮增效技术研究与示范”(2015BAD22B05) 语种：中文; 页：ZNSD201809014 页数：5 CN：09 ISSN：42-1419/TV 分类号：79-83

摘要

为了促进宁夏扬黄灌区玉米滴灌技术的推广应用,针对宁夏扬黄灌区规模推广玉米大田滴灌缺乏相关水肥一体化灌溉、施肥制度的突出问题,采用大田小区对比试验方法,开展了玉米滴灌水肥一体化灌溉、施肥制度试验研究。在综合分析不同灌溉量、施肥量对玉米生育期土壤含水率变化、耗水量、作物产量、水分生产效率的影响,研究提出了玉米生育期滴灌灌水定额225~450 m~3/(hm~2·次)、灌水11次、灌溉定额3 600 m~3/hm~2、纯施肥量459 kg/hm~2(其中N、P_2O_5、K_2O分别为255、123、81 kg/hm~2,分10次在每次灌水中部时段施肥)的水肥一体化灌溉、施肥制度。玉米大田滴灌产量达到17 250 kg/hm~2,水分生产效率达到2.80 kg/m~3以上。
        In order to promote the popularization and application of corn drip irrigation technology in the Yellow River Irrigation Area in Ningxia,the drip irrigation for the maize field in Ningxia Yellow River Irrigation Area is confined to the outstanding problems of the integrated irrigation and fertilization system.The water and fertilizer integration of corn drip irrigation has been carried out by using the comparative test method of datian community.In a comprehensive analysis of the effect of different irrigation and fertilizing rates on soil water content,water consumption,crop yield,and water production efficiency during the growing season of corn,the study puts forward the irrigation quota of 225~ 450 m~3/hm~2,irrigation for 11 times,and irrigation during the growth period of maize. Quota 3 600 m~3/hm~2,pure fertilizer 459 kg/hm~2( which N,P_2O_5,K_2O were 255,123,81 kg/hm~2),it is divided into 10 sub-irrigation periods of fertilization of water and fertilizer integrated irrigation,fertilization system. The yield of drip irrigation in corn field reaches 17 250 kg/hm~2,and the water production efficiency reaches 2.80 kg/m~3.

引文

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