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. 2017 Jan 31;10:26. doi: 10.1186/s13068-017-0711-6

Fig. 1.

Fig. 1

a Estimated relative effects of single components on lipid productivity. b Kriging visualization of combinatorial effect of MgSO4 and NaNO3 on lipid productivity. Remaining medium components are set to their reference values. Red dots indicate measurements at the reference point