Table 2 Nodulation status and shoot dry weight of common bean var. Dursitu along different rates of N application with and without inoculation of Rhizobium leguminosarum bv. Phaseoli at selected areas of eastern Ethiopia

Control

28.33d

71.67bcd

163.00abcd

0.1217cd

0.1920bc

0.4407b

36.23cd

31.37e

49.92b

20 kg N ha⁻¹

88.67c

146.67a

206.00a

0.1880b

0.4097a

0.3399bc

35.30cd

38.03cde

58.13ab

40 kg N ha⁻¹

65.00c

106.67b

149.67abcde

0.1263cd

0.3963a

0.2299bc

41.17bc

48.57bcd

60.77ab

60 kg N ha⁻¹

18.67d

45.00def

91.33cde

0.0437d

0.1727bc

0.1300c

49.97ab

53.23abc

63.60ab

80 kg N ha⁻¹

31.00d

45.00def

93.00cde

0.1033cd

0.1610bcd

0.1621c

47.53ab

55.70ab

63.67ab

100 kg N ha⁻¹

22.33d

20.00f

68.00e

0.0193d

0.0160e

0.2127bc

44.83abc

56.33ab

76.47a

Rhizobium sp.

82.33c

90.67bc

186.67ab

0.3063ab

0.2533b

0.7184a

30.77d

39.00cde

59.07ab

Rhizobium sp. + 20 kg N ha⁻¹

161.67a

64.33cde

178.67abc

0.3900a

0.2010bc

0.7111a

42.63bc

36.40de

70.50ab

Rhizobium sp. + 40 kg N ha⁻¹

124.33b

46.67def

111.50bcde

0.3207ab

0.0897cde

0.3337bc

52.93a

64.90a

78.03a

Rhizobium sp. + 60 kg N ha⁻¹

26.00d

27.33ef

71.50de

0.1530cd

0.0516de

0.1596c

47.47ab

52.83abc

75.68a

Rhizobium sp. + 80 kg N ha⁻¹

17.33d

20.00f

170.00abc

0.0287d

0.0340e

0.3238bc

50.77ab

51.70abcd

76.38a

Rhizobium sp. + 100 kg N ha⁻¹

19.67d

22.33f

63.17e

0.0210d

0.0279e

0.2124bc

43.93abc

51.97abcd

66.92ab

Mean

57.11

58.86

129.38

0.1518

0.1671

0.3312

43.63

48.35

66.59

F value

66.17***

29.26***

7.05***

21.55***

33.36***

12.78***

11.46***

9.80***

3.71**

LSD

30.06

37.15

93.59

0.1389

0.119

0.27

10.22

16.20

22.32

CV (%)

17.88

21.44

36.85

31.07

24.19

41.54

7.95

11.38

17.07