Research Article

Characterisation of the Endophytic and Rhizospheric Bacillus licheniformis Strains Isolated from Sweet Potato with Plant Growth-Promoting and Yield Enhancing Potential

Figure 8

Ammonia production of B. licheniformis strains. The same letters above the data in the columns mean no significant difference (). Different letters indicate significant differences (). Values are presented as mean ± S.D. of three replicates.