Figure 1.

Two winter barley genotypes, Vanessa (Mn efficient) and Antonia (Mn inefficient), grown in a Danish soil with a low plant availability of Mn. The left-hand side of each plot was compacted with a roller immediately after sowing, whereas the right-hand side was left untreated. The Mn concentration in the shoots were in the noncompacted side 24.7 ± 1.0 and 12.7 ± 4.7 μg Mn g⁻¹ DW for Vanessa and Antonia, respectively, and 26.3 ± 1.6 and 18.0 ± 3.5 μg Mn g⁻¹ DW for the corresponding compacted side. The photo was taken in early spring.