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Macronutrient concentrations in control no addition (C), DSW-amended incubations (E), and 700 m water used in DSW amendment incubations
| Treatment | Time postinoculation, h | NO2 + NO3, μM | PO4, μM | Silica, μM |
| C (control no addition)* | 168 | 0.12 ± 0.03 | 0.12 ± 0.02 | 1.91 ± 0.2 |
| E (+10% DSW)* | 168 | 1.9 ± 0.93 | 0.23 ± 0.05 | 8.46 ± 3.11 |
| DSW (700 m water)* | N/A | 37.5 ± 1.68 | 3.14 ± 0.03 | 83.4 ± 9.33 |
N/A, not applicable.
Nutrient data averaged for E1 and E2; nutrients were not assayed on E3.
