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Asian Journal of Agricultural Research
  Year: 2011 | Volume: 5 | Issue: 4 | Page No.: 243-249
DOI: 10.3923/ajar.2011.243.249
 
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Nitrogen Rates Effect on Some Agronomic Traits of Turnip Rape under Different Irrigation Regimes

M. Begdelo, A.H. Shirani Rad, G. Noormohammadi and A.A. Tajalli

Abstract:
Field experiment was conducted in Qazvin, Iran during 2009-2010 growing season aimed at optimizing nitrogen rates under different irrigation regimes for production of turnip rape (Brassica campestris L.-cv. Goldrush). The experiment was conducted using a randomized complete block, factorial design with three replicates. Experimental treatments were irrigation in four levels (I: I1= irrigation on the basis of 80 (control), I2 = 100, I3 = 120 and I4 = 140 mL evaporation from the class A pan) and four nitrogen fertilizer rates (N: N 1= 0, N2 = 50, N3 = 100, N4 = 150 kg ha-1). It was shown that increasing irrigation rate significantly increased 1000 seeds weight, seed yield, seed oil yield, biomass yield and harvest index as control irrigation (80 mL evaporation from the class A pan) had a significant preference in comparison to 140 mL evaporation from the class A pan. Generally application of 100 and 150 kg N ha-1 in control irrigation had a significant preference in comparison to other treatments. The highest seed yield and seed oil yield obtained by application of 150 kg N ha-1 in control irrigation by average of 5586 and 2348 150 kg ha-1, respectively. The interaction effect of irrigationxnitrogen had not a significant increase on harvest index.
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How to cite this article:

M. Begdelo, A.H. Shirani Rad, G. Noormohammadi and A.A. Tajalli, 2011. Nitrogen Rates Effect on Some Agronomic Traits of Turnip Rape under Different Irrigation Regimes. Asian Journal of Agricultural Research, 5: 243-249.

DOI: 10.3923/ajar.2011.243.249

URL: https://scialert.net/abstract/?doi=ajar.2011.243.249

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