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. 2017 Feb 1;7:41310. doi: 10.1038/srep41310

Table 1. CO2 production by the PGPB Azospirillum brasilense Cd, Bacillus pumilus ES4 and Escherichia coli and their relative growth.

  CO2 (mM/L) Growth (CFUmL−1 × 108)
Bacillus pumilus 133.85 ± 29.5a 5.5 ± 0.44ª
Azospirillum brasilense 83.56 ± 7.4a 8.02 ± 0.03b
Escherichia coli* 84 ND
Room air 12.65 ± 1.08b ND

Different letters significantly differ at P < 0.05 (ANOVA and LSD post-hoc analysis for CO2 data and Student’s t-test for growth data.

*Kleman and Strohl44.