. 2021 May 2;10(5):912. doi: 10.3390/plants10050912

Table 1.

N₂ fixation, P solubilization, and K solubilization of screened PGPB. The data are expressed as means ± standard deviation (n = 3). Different lowercase letters represent significant differences between groups at the 5% level (ANOVA and Tukey’s test).

Strain	N₂ Fixation	P Solubilization	K Solubilization
ZS1	1.96 ± 0.15 ^bcd	1.52 ± 0.14 ^c	1.97 ± 0.38 ^a
ZS3	2.00 ± 0.34 ^abc	2.11 ± 0.19 ^abc	-
ZS4	1.30 ± 0.05 ^d	2.63 ± 0.20 ^abc	1.96 ± 0.41 ^a
MR2	1.86 ± 0.33 ^bcd	1.68 ± 0.02 ^bc	2.09 ± 0.27 ^a
MR3	2.08 ± 0.07 ^ab	3.17 ± 1.15 ^ab	-
MS3	1.36 ± 0.12 ^cd	3.39 ± 0.67 ^a	-
PR4	1.44 ± 0.05 ^bcd	3.35 ± 0.49 ^a	1.78 ± 0.19 ^a
PS3	2.66 ± 0.48 ^a	2.24 ± 0.21 ^abc	-
ZR1	1.62 ± 0.13 ^bcd	2.67 ± 0.67 ^abc	1.37 ± 0.17 ^a
TS8	-	1.67 ± 0.29 ^bc	2.33 ± 0.58 ^a