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- W2349820341 abstract "[Objective] The aim was to study the effect of application rates of nitrogen and phosphorus fertilizers on the yield and quality of Trifolium pratense L.cv.Minshan.[Method] With T.pratense as tested materials,split-plot design was used in the field experiment,in which the main plot was nitrogen application with 4 levels at 0,50,100,150 kg/hm2 and the subplot was phosphorus application with 4 levels at 0,120,240,360 kg/hm2.The branch number,stem-leaf ratio(LSR),dry-fresh ratio(DFR) as well as fresh and hay yield of T.pretense in different treatments of N and P and their combination were determined.[Result] The branch numbers of T.pratense were most in the treatment A2B4(N 50 kg/hm2 + P2O5 360 kg/hm2).The best ratio of N,P fertilizer was A3B4(N 100 kg/hm2 + P2O5 360 kg/hm2) and A3B1(N 100 kg/hm2 + P2O5 0 kg/hm2) resp.,which got a higher LSR and DFR.The fresh and hay yield were the highest when the fertilizer rate was A2B4(N 50 kg/hm2 + P2O5 360 kg/hm2) and A2B2(N 50 kg/hm2 + P2O5 120 kg/hm2) resp.[Conclusion] The application rate of phosphorus fertilizer had no significant effect on the yield and quality of T.pratense,and the application rate of nitrogen fertilizer had great influence on the yield and quality of T.pratense." @default.
- W2349820341 created "2016-06-24" @default.
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- W2349820341 date "2009-01-01" @default.
- W2349820341 modified "2023-09-24" @default.
- W2349820341 title "Effects of Nitrogen and Phosphorus Fertilizers on the Yield and Quality of Trifolium pratense L.cv.Minshan" @default.
- W2349820341 hasPublicationYear "2009" @default.
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