300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Poa annua L. [Annual Bluegrass]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
10
|
|
|
| Arithmetic Mean |
20.2%
|
|
|
| Standard Error |
9.1%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Bezemer et al. (2000) |
chambers inside a glasshouse, low soil nutrients
|
9%
|
|
|
|
Bezemer et al. (2000) |
chambers inside a glasshouse, medium soil nutrients
|
0%
|
|
|
|
Bezemer et al. (2000) |
chambers inside a glasshouse, high soil nutrients
|
37%
|
|
|
|
Greer et al. (2000) |
controlled environment system, 18°C
|
25%
|
|
|
|
Greer et al. (2000) |
controlled environment system, 28°C
|
99%
|
|
|
|
Hunt et al. (1991) |
pots (1 liter)
|
0%
|
|
|
|
Hunt et al. (1995) |
glasshouse, high nutrients
|
6%
|
|
|
|
Leishman et al. (1999) |
glasshouse, sun
|
-1%
|
|
|
|
Leishman et al. (1999) |
glasshouse, shade
|
9%
|
|
|
|
Tang et al. (2006) |
Well-watered plants grown from seed in pots containing low-phosphorus-availability soil within controlled-environment chambers until their own seeds were physiologically mature
|
18%
|
|
|