300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Digitaria sanguinalis (L.) Scop. [Hairy Crabgrass]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
2
|
|
| Arithmetic Mean |
39%
|
63.5%
|
|
| Standard Error |
12.7%
|
25.8
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Sionit and Patterson (1984) |
pots (10-cm), low light
|
21%
|
27% |
|
|
Sionit and Patterson (1984) |
pots (10-cm), high light
|
57%
|
100% |
|