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Changes in (a) picoplankton Chl a, (b) nano + microplankton Chl a, (c) PRO, (d) SYN and (e) PEUK and (f) MICRO-EUK during on-deck grow-out experiments incubated under ambient light with seawater samples from Cycle 3 and amended as follows: (i) +5 nM Fe, (ii) +2 nM Zn, (iii) +4 µM Si and (iv) un-amended control (Con).
