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《Anhui Agricultural Science Bulletin》 2010-09
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Research on Different Nitrogen Levels on Grain Yields and Commercial Quality of Jinchuan 1

Zhao Mei1 et al.(Department of Agronomy,Tianjin Agricultural University,Tianjin 300384,China)  
This is a research on different nitrogen levels on grain yields and commercial quality of Jinchuan 1.The results showed that in the range of N 0~300 kg/hm2,the correlation coefficients between the pure nitrogen employment grain yield and panicles and grains per panicles and 1000-grain weight respectively is 0.908 **,0.878 **,-0.646 **,-0.895 **;between the rate of husked rise,essence rate,entire polished rice rate respectively is 0.777**、0.645**、0.640*;beitween chalky rice rate,chalkiness,chalky area respectively is-0.932**、-0.534*、-0.952**.So,Increases nitrogen fertilizer employment in this range can enhances the grain yield and commercial quality of Jinchuan 1.
【Fund】: 天津市农业科技成果转化与推广项目(0504170);; 天津市农业科技成果转化与推广项目(0704190)
【CateGory Index】: S511
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