300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Ipomoea purpurea (L.) Roth [Tall Morningglory, a vine that is typically considered a weed or parasite]
| 300 ppm | 600 ppm | 900 ppm | |
| Number of Results |  |  |  | 
| Arithmetic Mean |  |  |  | 
| Standard Error |  |  |  | 
| Experimental Conditions | 300 ppm | 600 ppm | 900 ppm | 
