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Table 5 Interaction effect of year × N rate on agronomic efficiency (AE), apparent recovery efficiency (RE) and nitrogen harvest index (NHI) of bread wheat

From: Effect of split application of different N rates on productivity and nitrogen use efficiency of bread wheat (Triticum aestivum L.)

N rate (kg ha−1) Year Year Year
2014 2015 2014 2015 2014 2015
AE (kg kg−1) RE (%) NHI (%)
120 22.58b 28.75a 44.69c 59.85a 84.13a 78.07cd
240 14.1d 18.25c 37.36d 50.92b 82.13ab 75.60d
360 10.47e 12.47d 31.5e 39.48d 79.32bc 76.05d
CV (%) 9.86 11.94 3.82
  1. Means followed by the same letters for the same parameter are not significantly different at P ≤ 0.05
  2. CV Coefficient of variation