Fig. 2. Uptake of ⁶⁵Zn (kBq pot^-1) and Zn (µg pot^-1) in ryegrass grown in two different soils as affected by temperature (9 and 21°C) and organic matter (OM) addition to the soils (0 and 4%). Each "corner" in the three-dimensional surface diagrams represents the mean of n = 6.

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