Skip to main content
. 2020 Mar 30;9(4):418. doi: 10.3390/plants9040418

Figure 1.

Figure 1

pH of the mining soil, NCS and CS at days 0 (blue bars), 30 (red bars) and 90 (green bars). Different letters in the same soil indicate significant differences in the pH value according to Duncan’s multiple range test (p ≤ 0.05).