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Superoxide dismutase (SOD), catalase (CAT), peroxidase (POX), and lipid peroxidation (MDA) of wheat leaves as treated by (control, salicylic acid, biochar, and SA + biochar) under different three irrigation conditions (50%, 70%, and 90% DAM) in saline sodic soil. Error bars indicate ±SE (n = 3). SE indicates standard error. Mean values designed by the same letter in each column are not significant according to Tukey’s multiple range test.
