Table 1.

Effect of P. polymyxa strain Nl4 on tomato growth promotion.

Treatment	Plant height (cm)	Fresh weight (g)	Dry weight (g)
CK	7.54 ± 0.63b	0.54 ± 0.21b	0.038 ± 0.016b
1 × Nl4	10.18 ± 0.77a	0.87 ± 0.15a	0.056 ± 0.004a
10 × Nl4	10.94 ± 0.36a	0.96 ± 0.13a	0.0619 ± 0.010a
50 × Nl4	10.48 ± 0.80a	0.94 ± 0.20a	0.0562 ± 0.008a

Data represents the mean ± SD of six biological replicates. Different lowercase letters indicate significant differences according to Student’s t-test (p < 0.05).