300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Pinus banksiana [Jack Pine]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
4
|
|
|
Arithmetic Mean |
34.8%
|
|
|
Standard Error |
6.2%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Tjoelker et al. (1998) |
Seedlings grown for three months in controlled environment chambers at day/night temperatures ranging from 18/12 to 30/24°C (average results)
|
37%
|
|
|
Zhang and Dang (2005) |
Well-watered and fertilized saplings grown from seed in containers (13.5 cm tall, 11 cm top diameter) in greenhouses for 2 months at a low soil temperatures of 7°C, followed by 2 more two months at a higher soil temperature of 10°C
|
54%
|
|
|
Zhang and Dang (2005) |
Well-watered and fertilized saplings grown from seed in containers (13.5 cm tall, 11 cm top diameter) in greenhouses for 2 months at a medium soil temperatures of 17°C, followed by 2 more two months at a higher soil temperature of 20°C
|
26%
|
|
|
Zhang and Dang (2005) |
Well-watered and fertilized saplings grown from seed in containers (13.5 cm tall, 11 cm top diameter) in greenhouses for 2 months at a high soil temperatures of 27°C, followed by 2 more two months at a higher soil temperature of 30°C
|
22%
|
|
|