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 |
6
|
6
|
6
|
| Arithmetic Mean |
62%
|
0%
|
0%
|
| Standard Error |
14%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Beerling and Woodward (1995) |
controlled environment growth cabinets
|
10%
|
||
|
Bezemer et al. (2000) |
chambers inside a glasshouse, low soil nutrients
|
75%
|
||
|
Bezemer et al. (2000) |
chambers inside a glasshouse, medium soil nutrients
|
91%
|
||
|
Bezemer et al. (2000) |
chambers inside a glasshouse, high soil nutrients
|
112%
|
||
|
Greer et al. (2000) |
controlled environment chambers, 18 °C
|
43%
|
||
|
Greer et al. (2000) |
controlled environment chambers, 28 °C
|
41%
|