Table 1 Relative abundance (%) of PGPR identified in soil samples higher than 0.1% of all the soil samples

3.67 ± 1.53

2.89 ± 0.79

2.87 ± 0.98

2.90 ± 0.92

2.57 ± 0.84

2.69 ± 1.18

2.76 ± 1.31

2.66 ± 0.81

2.53 ± 0.67

2.77 ± 0.87

1.43 ± 0.68

1.84 ± 0.66

1.74 ± 1.51

1.50 ± 0.75

1.66 ± 0.86

3.00 ± 4.90

2.07 ± 1.13

2.03 ± 0.86

2.28 ± 0.71

1.77 ± 0.71

0.62 ± 0.44

0.40 ± 0.40

0.46 ± 0.40

0.57 ± 0.42

0.53 ± 0.43

0.75 ± 0.59

0.49 ± 0.48

0.62 ± 0.53

0.77 ± 0.43

0.56 ± 0.39