Fig. 1 Effect of Azotobacter chroococcum 76A on biometric parameters of Micro Tom grown under increasing salinity (0, 50, 100 mM NaCl) and two nutrient regimens (Sub – Suboptimal, OptOptimal). a Shoot Fresh Weight, (b) Roots dry weight, (c) Fruits dry weight. Vertical bars indicate ± SE of means, different letters denote significant differences between uninoculated controls and plants inoculated with A. chroococcum 76A according to Least Significant Different (LSD) multiple range comparison test