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Table 2 Combined ANOVA for Effect of starter N and rhizobial inoculation on nodulation, growth and yield of soybean at Assosa and Begi in 2016/17 and 2017/2018 cropping seasons

From: Response of soybean to Rhizobial inoculation and starter N fertilizer on Nitisols of Assosa and Begi areas, Western Ethiopia

Source of variation NN (No/plt.) NDW (g/plt.) SDW (g/plt.) PPP SPP SY (kg/ha)
Loc 12.25NS 0.03NS 0.44NS 68.75NS 1.21NS 10.23NS
Year 0.21 NS 0.61NS 37.1*** 64.1*** 23.89** 314.3***
Loc × Year 0.66NS 0.36NS 29.1*** 0.03NS 46.4*** 80.36***
Inoculation (I) 18.02NS 65.6NS 30880** 0.64NS 40.1NS 81.45NS
Loc × I 2.48NS 0.73NS 5.70NS 0.21NS 289.0* 41.82NS
Year × I 2.81NS 0.43*** 0.00NS 5.73* 0.05NS 3.95NS
Loc x Year × I 0.03NS 3.81NS 1.54NS 3.21NS 0.001NS 1.65NS
Nitrogen rate (N) 0.44NS 2.79NS 2.83NS 1.42NS 0.73NS 1.94NS
Loc × N 0.17NS 3.90NS 0.53NS 0.64NS 1.77NS 0.17NS
Year × N 3.30** 0.29NS 2.08NS 0.82** 1.76NS 4.15***
Loc × Year × N 2.23NS 0.52NS 0.83NS 1.27NS 0.27NS 24.3***
I × N 0.94NS 0.75NS 5.73* 5.25* 0.56NS 4.91*
Loc × I × N 1.89NS 1.83NS 0.27NS 0.74NS 2.25NS 2.55NS
Year × I × N 4.69*** 0.82NS 1.63NS 3.79** 6.45*** 1.05NS
Loc × Year × R × V 1.70NS 1.32NS 2.31NS 0.20NS 1.26NS 1.69NS
CV (%) 49.42 59.52 20.21 18.76 6.18 9.50
  1. NN, nodule number; NDW, nodule dry weight; SDW, shoot dry weight; PPP, pod per plant; SPP, seed per pod; SY, seed yield, NS, non-significant (p > 0.05)
  2. *significant (p < 0.05), **highly significant (p < 0.001), ***extremly significant (p < 0.0001)