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《Journal of Anhui Agricultural Sciences》 2009-15
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Effects of P and Zn Combination on the Growth,Yield and Kernel Nitrogen Content of Wheat

YIN En et al(Graduate School of Anhui Agricultural University,Hefei,Anhui 230036)  
[Objective]The research aimed to discuss the influence mechanism of P and Zn on the growth of wheat.[Method] Pot experiment was used to study the effects of P and Zn combination on the growth,yield and kernel nitrogen content of wheat in lime concretion black soils.[Result]In seedling stage and earing time of wheat,P and Zn showed synergic relationship.In mature period P and Zn showed rivalry relationship.Suitable P and Zn allocated proportion was advantageous to the wheat grain output enhancement and economic efficiency increase.The processing of P0.3Zn0.2 output was highest,achieved the 0.05 level difference.The processing of P0.3Zn0.4,P0.9 Zn0.2 and P0.9 Zn0.4 volume variance was not remarkable,the processing of Zn0 output was lowest.[Conclusion]Under the environment of low P concentration in soil,Zn application could promote the growth of wheat root system.Under the environment of high P concentration,suitable Zn application could promote the growth of wheat root system,while too much Zn application could induce the rivalry of P and Zn.
【Fund】: 国家科技项目(2008BAD4B08)
【CateGory Index】: S512.1
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