300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Daucus carota [Carrot]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
13
|
13
|
13
|
| Arithmetic Mean |
64.8%
|
59%
|
0%
|
| Standard Error |
27.3%
|
45.3
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Kyei-Boahen et al. (2003) |
Well-watered and fertilized plants grown from seed for 30 days after emergence in a controlled environment room
|
43%
|
||
|
Kyei-Boahen et al. (2003) |
Well-watered and fertilized plants grown from seed for 30 days after emergence in a controlled environment room
|
45% |
||
|
Thiagarajan and Lada (2007) |
Photosynthesis of fertilized and well-watered (soil moisture potential = -5 kPa) seedlings grown in 15-cm-diameter pots for 30 days from emergence
|
55%
|
||
|
Thiagarajan and Lada (2007) |
Photosynthesis of fertilized and well-watered (soil moisture potential = -5 kPa) seedlings grown in 15-cm-diameter pots for 30 days from emergence, after which water was withheld for 1 additional day, bringing the soil moisture potential down to -30 kPa
|
14%
|
||
|
Thiagarajan and Lada (2007) |
Photosynthesis of fertilized and well-watered (soil moisture potential = -5 kPa) seedlings grown in 15-cm-diameter pots for 30 days from emergence, after which water was withheld for 2 additional days, bringing the soil moisture potential down to -55 kPa
|
79%
|
||
|
Thiagarajan and Lada (2007) |
Photosynthesis of fertilized and well-watered (soil moisture potential = -5 kPa) seedlings grown in 15-cm-diameter pots for 30 days from emergence, after which water was withheld for 3 additional days, bringing the soil moisture potential down to -70 kPa
|
381%
|
||
|
Thiagarajan and Lada (2007) |
Photosynthesis of fertilized and well-watered (soil moisture potential = -5 kPa) seedlings grown in 15-cm-diameter pots for 30 days from emergence
|
59% |
||
|
Thiagarajan and Lada (2007) |
Photosynthesis of fertilized and well-watered (soil moisture potential = -5 kPa) seedlings grown in 15-cm-diameter pots for 30 days from emergence, after which water was withheld for 1 additional day, bringing the soil moisture potential down to -30 kPa
|
32% |
||
|
Thiagarajan and Lada (2007) |
Photosynthesis of fertilized and well-watered (soil moisture potential = -5 kPa) seedlings grown in 15-cm-diameter pots for 30 days from emergence, after which water was withheld for 2 additional days, bringing the soil moisture potential down to -55 kPa
|
10% |
||
|
Thiagarajan and Lada (2007) |
Photosynthesis of fertilized and well-watered (soil moisture potential = -5 kPa) seedlings grown in 15-cm-diameter pots for 30 days from emergence, after which water was withheld for 3 additional days, bringing the soil moisture potential down to -70 kPa
|
621% |
||
|
Thiagarajan et al. (2007) |
Photosynthesis of well watered and fertilized 3-week-old plants in 10x15-cm pots of growing media in a controlled-environment chamber maintained at a photosynthetically active radiation (PAR) level of 400 ?mol/m2/sec)
|
95%
|
||
|
Thiagarajan et al. (2007) |
Photosynthesis of well watered and fertilized 3-week-old plants in 10x15-cm pots of growing media in a controlled-environment chamber maintained at a photosynthetically active radiation (PAR) level of 800 ?mol/m2/sec)
|
95%
|
||
|
Thiagarajan et al. (2007) |
Photosynthesis of well watered and fertilized 3-week-old plants in 10x15-cm pots of growing media in a controlled-environment chamber maintained at a photosynthetically active radiation (PAR) level of 1200 ?mol/m2/sec)
|
80%
|