Table 1 Growth of common ragweed (number of leaves, aboveground height, fresh weight) in ambient CO2 treatment and elevated CO2 treatment
From: Effect of elevated atmospheric carbon dioxide on the allelopathic potential of common ragweed
| Â | CO2 treatment | P value | |
|---|---|---|---|
Ambient | Elevated | ||
No. of leaves | 35.5 ± 3.5 | 45.0 ± 1.8 | 0.02577 |
Aboveground height (mm) | 246.3 ± 10.3 | 345.8 ± 26.5 | 0.00205 |
Fresh weight (g) | 4.6 ± 0.3 | 6.1 ± 0.5 | 0.02276 |