不同栽培管理模式和施氮量对冬小麦产量形成及氮素利用的影响

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针对当前小麦栽培管理中存在的管理不规范、技术不到位和高产不高效等实际问题,迫切需要将单项技术集成,创建切实可行的栽培管理模式在小麦生产中规模化应用,以实现高产、优质、高效、生态、安全的目标。因此,本试验于2010-2012年在河南省温县高产区大田条件下进行,以多穗型品种平安8号为试验材料,设置了栽培管理模式(农民习惯模式FM、调整模式(AM1、AM2、AM3))和施氮量(N0、N120、N180、N240、N360)2个试验,研究了不同栽培管理模式和施氮量对冬小麦产量形成特征及氮素利用的影响。主要研
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阐明不同年代冬小麦产量、品质、籽粒主要矿质元素含量和氮肥利用效率的年代差异及对施氮水平的响应趋势,对高产优质、氮高效的品种选育和栽培技术创新具有重要的理论参考和技术指导意义。为此,本试验于2010-2011年在江苏省丹阳市延陵镇,以该地20世纪60年代至今冬小麦代表性主栽品种为材料,设置三个氮肥水平,研究江淮地区不同年代冬小麦主栽品种的产量、品质、籽粒主要矿质元素含量和氮肥利用效率的演变特征及对氮
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