3.2. Grain mineral concentrations
Grain Zn, Fe, Ca and S concentrations were lower under [eCO2]
in both growing seasons (Table 2). The overall reduction in grain Fe
and Zn concentrations was 10% and 22%, respectively for the 2008
growing season (Table 2). A similar trend in Zn and Fe reduction
was observed for the 2009 growing season. Similar reduction in
grain S (Erbs et al., 2010; Högy et al., 2009) and Fe (Högy et al.,
2009) concentrations have been reported for wheat grown under
[eCO2].