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Environmental Systems Research

Table 6 Grain yield of common bean var. Dursitu obtained from selected areas of eastern Ethiopia with and without Rhizobium leguminosarum. bv. vicieae inoculation

From: Rhizobium leguminosarum bv. viciae sp. inoculation improves the agronomic efficiency of N of common bean (Phaseolus vulgaris L.)

Treatments

Grain yield (kg ha−1)

Babillae

Fedis

Haramaya

Hirna

Non inoculated

Inoculated

Non inoculated

Inoculated

Non inoculated

Inoculated

Non inoculated

Inoculated

Control

1,025.65d

996.39e

1,082.13c

1,005.37c

2,124.81b

2,029.91b

1,767.29c

1,853.43e

20 kg N ha−1

1,254.35c

1,302.22 cd

1,270.19b

1,258.70c

2,298.89ab

2,328.80a

1,944.06bc

2,009.54de

40 kg N ha−1

1,568.52b

1,211.48de

1,307.13ab

1,569.72a

2,377.78a

2,320.74ab

2,146.76ab

2,441.57a

60 kg N ha−1

1,727.63ab

1,697.59b

1,289.44b

1,461.85ab

2,416.94a

2,397.50a

1,997.13bc

2,334.63ab

80 kg N ha−1

1,674.26ab

1,511.57bc

1,280.46b

1,571.57a

2,439.35a

2,425.28a

2,321.85a

2,055.40 cd

100 kg N ha−1

1,830.09a

2,089.54a

1,454.26a

1,653.89a

2,475.28a

2,425.28a

2,357.59a

2,245.00bc

Mean

1,513.42

1,468.13

1,280.60

1,420.19

2,355.51

2,319.33

2,089.12

2,156.59

F-value

57.24***

66.38***

14.49***

20.15***

10.27***

5.71**

22.12***

30.56***

LSD

194.55

226.8

148.12

259.09

189.89

295.06

231.02

190.03

CV (%)

4.68

5.63

4.22

6.65

2.94

4.64

4.03

3.22

  1. Means in the same column followed by the same letter are not significantly different at the 5% probability level by Tukey’s test.
  2. NS non significant.
  3. * Significant at 0.05; ** significant at 0.01; *** significant at 0.001.
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