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Table 5 Interaction effect of N rate and variety on nitrogen concentration of straw and grain of bread wheat at Enewari, central highland 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 Straw nitrogen concentration (%)
N rate (kg ha−1)
0 120 240 360
Menze 0.14ef 0.28bc 0.30ab 0.34a
Tsehay 0.11f 0.23cd 0.32ab 0.35a
ET-13 0.16ef 0.18de 0.26bc 0.23cd
CV (%)   15.03
  1. Means followed by the same letter are not significantly different from each other at 5% level of significance according to Duncan’s multiple range test
Variety Grain nitrogen concentration (%)
Menze 1.89f 1.8f 2.17de 2.3cd
Tsehay 1.86f 2.06e 2.43bc 2.7a
ET-13 1.75f 1.78f 2.17de 2.48b
CV (%)   4.49
  1. Means followed by the same letter are not significantly different from each other at 5% level of significance according to Duncan’s multiple range test