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. 2019 Oct 25;9:15291. doi: 10.1038/s41598-019-51804-7

Figure 1.

Figure 1

Concentrations of two major organic acids, formic acid (A) and oxalic acid (B), in medium containing A. niger and Acinetobacter sp. amended with TCP or FAp as a P source after five-days incubation. The columns show mean ± S.E.