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Table 3 Effect of N rates and Rhizobial inoculation on nodulation and shoot dry matter of soybean for 2016/17 and 2017/18 cropping seasons

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

Treatment 2016/17 cropping season 2017/18 cropping season
NN NDW SDW NN NDW SDW
Location
 Assosa 29.39 0.203b 17.68 31.10 0.223 9.45b
 Begi 19.73 0.398a 16.39 13.72 0.492 15.89a
 LSD NS 0.102 2.47 NS NS 3.03
N rates (N)
 0 22.69 0.247 14.45b 17.52b 0.191c 9.74 cd
 9 25.70 0.369 17.54a 25.20ab 0.380ab 14.30ab
 18 23.39 0.317 16.85ab 34.74a 0.410a 15.14a
 27 29.68 0.330 18.12a 17.11b 0.303b 12.37bc
 36 23.18 0.287 16.40ab 18.32b 0.283b 11.90c
 54 22.73 0.253 18.86a 21.57b 0.259b 12.55bc
 LSD NS NS 2.68 10.27 0.101 2.25
Inoculation level
 Uninoculated (0) 6.40b 0.073b 15.99b 11.17b 0.180b 11.64
 Inoculated (1) 42.73a 0.527a 18.08a 33.65a 0.535a 13.70
 LSD 12.00 0.102 1.81 19.53 0.312 NS
F-test value
 Loc 4.65NS 27.52** 1.94NS 4.33NS 3.64NS 34.80**
 Inoculation level (I) 70.56** 150.6*** 10.20* 10.21* 8.72* 6.67*
 Loc × I 0.20NS 55.96** 1.85NS 0.001NS 0.02NS 7.36*
N rate (N) 0.79NS 0.80NS 2.69* 3.55** 3.17** 5.81***
Loc × N 1.28NS 1.01NS 0.44NS 1.32NS 1.48NS 0.91NS
I × N 1.14NS 1.27* 1.75NS 4.79** 0.96NS 1.33NS
CV (%) 43.58 60.75 19.09 55.53 58.26 21.54
  1. Mean values followed by different letters in a row show statistically significant difference
  2. NS, non-significant (p > 0.05)
  3. *significant (p < 0.05); **highly significant (p < 0.001), ***extremly significant (p < 0.0001)