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. 2021 May 19;594(7861):71–76. doi: 10.1038/s41586-021-03559-3

Fig. 2. Grain Ca, Fe, Se and Zn concentrations of crop species in Ethiopia and Malawi.

Fig. 2

Boxes within the violins show the interquartile range, medians are marked as horizontal lines; whiskers indicate the minimum and maximum values. DM, dry matter.