Fig. 3: Trends in grain yield and Zn, Fe and protein concentrations on a dry weight basis in bread wheat cultivars over the years. | Nature Food

Fig. 3: Trends in grain yield and Zn, Fe and protein concentrations on a dry weight basis in bread wheat cultivars over the years.

From: Grain zinc, iron and protein concentrations of contemporary wheat cultivars fall short of targets for human health

Fig. 3: Trends in grain yield and Zn, Fe and protein concentrations on a dry weight basis in bread wheat cultivars over the years.

a–d, Grain yield (a) and grain Zn (b), Fe (c) and protein (d) concentrations. Horizontal bars represent the 95% CIs of medians generated using a BCa bootstrapping method with 9,999 replicates. The n and values after the years represent the total number of observations and median values, respectively.

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