不同氮肥配施对垦鉴稻6号生长发育及产量的影响

doi:10.3969/j.issn.2096-1197.2018.05.10

Abstract

Abstract: In order to provide a basis for the rational application of terfilizers tor Kenjiandao 6, the ettects of ditterent nitrogen terfilizer treatments on its growth, development, yield and nitrogen use efficiency were studied. The resuhs showed that the opfimmn tertilization ＋ hunfic acid treatment （T3）, compared with no nitrogen terfilizer, increased the leaf age index and stem number of Kenjiandao No. 6, while the plant height decreased. Under T3 treatment, the tiller heading rate, number of ears per unit area, grain number of ears, 1000-grain weight and seed setting rate were all increased. The highest utilization rate and partial productivity values were 23.4% and 46.7%, respectively. The yield of Kenjiandao No. 6 was the highest at 8 422.5 kg/hm^2 under terfilization ＋ hmnic acid treatment （T3）.

Key words: Rice;Fertilization;Fertilizer use efficiency;Yield;Quality

CLC Number:

S511

ZHANG Xiushun1, BAO Hongchun2, QIAN Yongde1 （1.College of Agronomy, Heilongjiang Bayi Agricuhural University,Daqing 163319, China ;2.Inner Mongolia Hortieuhure Research Institute,Hohhot 010010,China）. Effects of different nitrogen application rates on growth, development and yield of Kenjiandao No.6[J].Journal of Northern Agriculture, 2018, 46(5): 62-67.

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URL: https://journal30.magtechjournal.com/bfnyxb/EN/10.3969/j.issn.2096-1197.2018.05.10

https://journal30.magtechjournal.com/bfnyxb/EN/Y2018/V46/I5/62

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Effects of different nitrogen application rates on growth, development and yield of Kenjiandao No.6

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