300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Leucadendron xanthoconus (Kuntze) K. Schum. [Sickle-leaf Conebush]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
2
|
2
|
| Arithmetic Mean |
59%
|
0%
|
0%
|
| Standard Error |
9.9%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Midgley et al. (1999) |
open-top chamber, low nutrients
|
73%
|
||
|
Midgley et al. (1999) |
open-top chamber, high nutrients
|
45%
|