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Primary Experiments of Different Application Rates of Nitrogen Fertilizer to Maize
Pages: 63-65
Year: Issue:  1
Journal: Hunan Agricultural Sciences

Keyword:  玉米氯肥单因素施用量maizenitrogen fertilizersingle factorapplication rate;
Abstract: 为了准确掌握玉米氮肥单因子的最佳经济施用量,2009年在湖南省新化县进行了氮单因子6水平玉米田问肥效试验.结果表明:施用氮肥均对玉米有显著的增产作用,增产幅度达6.1%~12.0%;玉米产量随着用氮量的增加逐渐递增,但产量增幅逐步减小.当施N量为20 kg/667 m~2时,均达最大值.
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