300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Pinus banksiana Lamb. [Jack Pine]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
3
|
|
|
| Arithmetic Mean |
18.3%
|
|
|
| Standard Error |
8.8%
|
|
|
|
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 21/15 to 30/24?C (average results)
|
26%
|
|
|
|
Zhang and Dang (2007) |
Well watered and fertilized one-year-old seedlings grown one to a pot (13.5 cm high, 11 cm diameter) filled with a 1:1 mixture of peat moss and vermiculite for four months (March-June) in greenhouses at low (7-10?C) soil temperatures
|
-3%
|
|
|
|
Zhang and Dang (2007) |
Well watered and fertilized one-year-old seedlings grown one to a pot (13.5 cm high, 11 cm diameter) filled with a 1:1 mixture of peat moss and vermiculite for four months (March-June) in greenhouses at high (27-30?C) soil temperatures
|
32%
|
|
|