Fig. 8From: 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 (A) leftover Ni concentration in soil (mg kg− 1), (B) Ni concentration in roots (mg kg− 1), (C) Ni concentration in shoots (mg kg− 1) and (D) Ni concentration in curd (mg kg− 1). Bars displaying same alphabets are statistically non-significant at P < 0.05Back to article page