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Al content in root tips of the Al-tolerant maize cv Cateto Colombia after 5 d of A1 treatment
| Al3+ Activity | Al Concentration | Al Root Tip Content |
|---|---|---|
| μm | μm | μg g−1DW |
| 0 | 0 | 0 ± 0 |
| 5 | 27 | 153 ± 58 |
| 10 | 54 | 571 ± 119 |
| 20 | 113 | 1,339 ± 152 |
| 30 | 169 | 2,199 ± 62 |
| 40 | 222 | 2,951 ± 140 |
