300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Phleum pratense [Timothy]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
3
|
|
|
Arithmetic Mean |
30.3%
|
|
|
Standard Error |
3.2%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Kettunen et al. (2007) |
Photosynthesis of plants grown from seed in sandy-soil-filled mesocosms located within greenhouses for a period of 3.5 months at low (half-standard) soil nitrogen supply
|
25%
|
|
|
Kettunen et al. (2007) |
Photosynthesis of plants grown from seed in sandy-soil-filled mesocosms located within greenhouses for a period of 3.5 months at moderate (standard) soil nitrogen supply
|
38%
|
|
|
Kettunen et al. (2007) |
Photosynthesis of plants grown from seed in sandy-soil-filled mesocosms located within greenhouses for a period of 3.5 months at high (1.5 times standard) soil nitrogen supply
|
28%
|
|
|