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Table 4 Interaction effect of year, N rate and variety on grain yield (kg ha−1) of bread wheat at Enewari, central highlands of Ethiopia

From: Effect of nitrogen fertilizer rates on grain yield and nitrogen uptake and use efficiency of bread wheat (Triticum aestivum L.) varieties on the Vertisols of central highlands of Ethiopia

Variety N rate (kg ha−1) Year 2014 Year 2015
Menzie 0 1498.44i 1420.51i
120 4218.79fg 4553.19d–g
240 4781.44c–e 5457.60ab
360 5012.44b–d 5718.32a
Tsehay 0 1258.13i 1367.41i
120 4196.92fg 4532.61d–g
240 4644.28d–f 5234.55a–c
360 4798.73c–e 5535.09ab
ET-13 0 1100.13i 1292.17i
120 4003.56g 4210.28fg
240 4123.73fg 4120.57fg
360 4255.91e–g 2975.27h
CV (%)   5.3  
  1. Means followed by the same letter(s) for the same parameters are not significantly different from each other at 5% level of significance according to Duncan’s multiple range test