300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Digitaria natalensis Stent [Natal Crabgrass]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
6
|
|
|
Arithmetic Mean |
13%
|
|
|
Standard Error |
3.2%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Wand et al. (2001) |
open-top chamber, leaves, first cut
|
16%
|
|
|
Wand et al. (2001) |
open-top chamber, leaves, second cut
|
18%
|
|
|
Wand et al. (2001) |
open-top chamber, non-leaf mass, first cut
|
-3%
|
|
|
Wand et al. (2001) |
open-top chamber, non-leaf mass,second cut
|
19%
|
|
|
Wand et al. (2001) |
open-top chamber, shoot, first cut
|
9%
|
|
|
Wand et al. (2001) |
open-top chamber, shoot, second cut
|
19%
|
|
|