西南季节性干旱区夏玉米水氮耦合效应与水氮生产函数研究OACSTPCD
The effect of water-nitrogen coupling on growth of summer maize in seasonally arid areas and water-nitrogen production function in southwestern China
[目的]探究西南季节性干旱区夏玉米关键生育期适宜的水氮耦合模式.[方法]于 2022年 6-10月在四川省都江堰灌溉试验站测桶区遮雨棚内开展夏玉米水氮耦合试验,以仲玉 3 号夏玉米为研究对象,采用桶栽方式种植夏玉米,以充分灌水(100%ET)和当地高水平施氮量(300 kg/hm2)为对照(CK),在拔节—抽雄期(Ⅱ)、抽雄—灌浆期(Ⅲ)分别设置 2个灌水水平:HW(75%CK)、LW(50%CK)和 3个施氮水平:N1(85%CK)、N2(70…查看全部>>
[Objective]Water and nitrogen are two most important factors affecting crop growth.Their acquisitions by crops interactively affect by each other.The purpose of this paper is to study the interactive effect of water-nitrogen coupling on development of summer maize during its key growing stages in seasonally arid areas in southwestern China.[Method]The experiment was conducted from June to October 2022 using lysimeters inside a rain-shelter at Dujiangyan Irri…查看全部>>
侯艳;崔宁博;郭立;甘永德
四川大学,成都 610065四川大学,成都 610065四川大学,成都 610065青海大学,西宁 810016
农业工程
玉米水氮耦合水分利用效率氮肥偏生产力
maizewater-nitrogen couplingwater use efficiencynitrogen partial productivity
《灌溉排水学报》 2024 (4)
34-40,7
国家重点研发计划项目(2022YFD1900805)四川省科技计划项目/对口科技援助(川青)(2022YFQ0066)
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