Fig. 4

Effect of gibberellic acid (GA3) and Potassium enriched biochar (KBC) sole and combined application on electrolyte leakage (A), POD (B) SOD (C) and CAT (D) of wheat cultivated under osmotic stress. Bars ± SE (Fisher’s LSD; p ≤ 0.05) are means of 4 replicates (4 pots per treatment). Different letters on bars showed significant alteration