Fig. 5From: Mechanism of composite passivators to reduce cadmium absorption and accumulation in Chinese cabbage on cadmium-polluted soilEffects of composite passivator on CAT (a), SOD (b), POD (c), DHA (d), AsA (e) and GSH (f) in Chinese cabbage. Note: Different lowercase letters indicate significant differences between treatments (p < 0.05)Back to article page