Fig. 2From: Exploring the synergistic effects of indole acetic acid (IAA) and compost in the phytostabilization of nickel (Ni) in cauliflower rhizosphereEffect of individual and combined application of IAA and compost on gas exchange attributes i.e., (A) Sub-stomatal conductance (SSC; µmole CO2 mol− 1), (B) Vapor pressure deficit (VPD; kPa), (C) Water use efficiency (WUE; mmol CO2 mol− 1 H2O), (D) Net photosynthetic rate (µmol m− 2 s− 1), (E) Stomatal Conductance (mmol m− 2 s− 1), and (F) Transpiration rate (TR; µM m− 2 s− 1) under Ni stress. Bars displaying same alphabets are statistically non-significant at P < 0.05Back to article page