Fig. 7From: Passivation remediation of weakly alkaline Cd-contaminated soils using combined treatments of biochar and sepioliteEffects of different treatments on Cd concentration of different parts of maize for different cultivars. (a): Liyu 16, (b): Zhengdan 958, (c): Sanbei 218. Error bars represent ± SE (n = 3). Different letters show significant differences (p< 0.05)Back to article page