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

Figure 2.

Figure 2

Dynamic changes in acid phosphatase (A) and alkaline phosphatase (B) activity in lecithin-amended PVK medium inoculated with A. niger and Acinetobacter sp. during a 5-day incubation period. The X-axis represents the days of incubation, and the Y-axis represents the enzyme activity level (phosphatase activity expressed in μmol L −1 h−1). The solid lines represent the average enzyme activity of A. niger, and the dash lines represent the average enzyme activity of Acinetobacter sp.