]*>","")" /> Regulation and Control of Yield and Characters of Wheat Xindong 24 by Application Nitrogen
Xinjiang Agricultural Sciences

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Regulation and Control of Yield and Characters of Wheat Xindong 24 by Application Nitrogen

  • Received:2007-06-25 Revised:2007-06-25 Online:2007-06-25 Published:2007-06-25

氮素施用量对新冬24号小麦产量与品质的调控

雷钧杰;赵奇;陈兴武;赛力汗;郭顺堂   

  1. 新疆农科院粮食所,乌鲁木齐,830091;中国农?荡笱称房蒲в胗こ萄г?北京,100083





摘要： 通过田间试验和室内分析,研究了不同氮素施用量对优质中筋小麦籽粒产量和品质的影响.结果表明,施氮量在90～270 kg/hm2,小麦施氮量与产量呈二次抛物线关系,与蛋白质含量呈直线相关关系;增施氮素能显著提高沉淀值,面团形成时间延长,湿面筋含量与面团稳定时间有增加和延长的趋势.施氮量在90～210 kg/hm2,增施氮素,面团弱化度、面团延伸度均升高,面团拉伸阻力、拉伸曲线面积增加;施氮量在210～270kg/hm2,增施氮素,面团弱化度、面团延伸度均降低,面团拉伸阻力、拉伸曲线面积均减小.