Effects and Mechanisms of Different Nitrogen Fertilizers on the Yield Formation of the Flue-cured Tobacco in the East Gansu Province

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Effects and Mechanisms of Different Nitrogen Fertilizers on the Yield Formation of the Flue-cured Tobacco in the East Gansu Province
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Affiliation:ZHANG Chun-hong1,QIU Hui-zhen1,ZHANG Wen-ming1,HU Juan2,TENG Gui-xiang1,BI Shu-hai1(1.College of Resources and Environment,Gansu Agricultural University,Lanzhou,Gansu 730070,2.Jilin Academy of Agricultural Science,Changchun,Jilin 130030)
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Abstract:

Aimed at dealing with the serious problems brought about by irrational fertilization which detered the growth,yield and quality of flue-cured tobacco in Loess Plateau of east Gansu province,the present research had probed into the effects of different nitrogen fertilizers(ANP and UA) on yield formation of the flue-cured tobacco and its mechanisms,in 2009 in Zhengning county,Gansu.The results showed that:ANP significantly promoted the growth of roots and enhanced the activities of roots.Compared with UA trea...

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Online: October 25,2012
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