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. 2020 Apr 23;11:752. doi: 10.3389/fmicb.2020.00752

FIGURE 3.

FIGURE 3

The P solubilizing levels of 18 PSB in liquid NBRIP medium containing Ca3(PO4)2 (A), sodium phytate (B), FePO4 (C), and AlPO4 (D), and in solid NBRIP medium containing Ca3(PO4)2 (E), sodium phytate (F), FePO4 (G), and AlPO4 (H). The results are the mean value of three replicates, error bars represent standard error. The lowercase letters above the columns denote significant level (P < 0.05).