300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Medicago sativa L. [Alfalfa]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
19
|
19
|
19
|
| Arithmetic Mean |
24.6%
|
0%
|
0%
|
| Standard Error |
3.8%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Aranjuelo et al. (2005a) |
Plants inoculated with Sinorhizobium meliloti in 13-liter pots in temperature gradient tunnels grown from the age of one month under well-watered conditions at ambient air temperature over three different years
|
5%
|
||
|
Aranjuelo et al. (2005a) |
Plants inoculated with Sinorhizobium meliloti in 13-liter pots in temperature gradient tunnels grown from the age of one month under well-watered conditions at ambient +4?C air temperature over three different years
|
50%
|
||
|
Aranjuelo et al. (2005a) |
Plants inoculated with Sinorhizobium meliloti in 13-liter pots in temperature gradient tunnels grown from the age of one month under droughted conditions at ambient air temperature over three different years
|
16%
|
||
|
Aranjuelo et al. (2005a) |
Plants inoculated with Sinorhizobium meliloti in 13-liter pots in temperature gradient tunnels grown from the age of one month under droughted conditions at ambient +4?C air temperature over three different years
|
42%
|
||
|
Aranjuelo et al. (2005b) |
Seedlings in pots in temperature gradient tunnels maintained at ambient temperature and at high soil water content
|
15%
|
||
|
Aranjuelo et al. (2005b) |
Seedlings in pots in temperature gradient tunnels maintained at elevated temperature (+4?C) and at high soil water content
|
43%
|
||
|
Aranjuelo et al. (2005b) |
Seedlings in pots in temperature gradient tunnels maintained at ambient temperature and at low soil water content (half as much)
|
6%
|
||
|
Aranjuelo et al. (2005b) |
Seedlings in pots in temperature gradient tunnels maintained at elevated temperature (+4?C) and at low soil water content (half as much)
|
47%
|
||
|
Aranjuelo et al. (2005b) |
Seedlings grown in 13-L pots for 3 years in polyethylene-covered temperature gradient tunnels at ambient temperature and at high soil water content
|
5%
|
||
|
Aranjuelo et al. (2005b) |
Seedlings grown in 13-L pots for 3 years in polyethylene-covered temperature gradient tunnels at elevated temperature (+4?C) and at high soil water content
|
46%
|
||
|
Aranjuelo et al. (2005b) |
Seedlings grown in 13-L pots for 3 years in polyethylene-covered temperature gradient tunnels at ambient temperature and at low soil water content (half as much)
|
16%
|
||
|
Aranjuelo et al. (2005b) |
Seedlings grown in 13-L pots for 3 years in polyethylene-covered temperature gradient tunnels at elevated temperature (+4?C) and at low soil water content (half as much)
|
38%
|
||
|
Aranjuelo et al. (2008) |
Photosynthesis of thirty-day-old seedlings grown for 30 more days in two different years in 13-L pots filled with a 2:1 ratio of inert perlite and vermiculite recessed into the ground among other similar plants growing in a temperature-gradient greenhouse at ambient air temperature
|
15%
|
||
|
Aranjuelo et al. (2008) |
Photosynthesis of thirty-day-old seedlings grown for 30 more days in two different years in 13-L pots filled with a 2:1 ratio of inert perlite and vermiculite recessed into the ground among other similar plants growing in a temperature-gradient greenhouse at ambient + 4?C air temperature
|
34%
|
||
|
Aranjuelo et al. (2009) |
Photosynthesis of thirty-day-old plants (5 per each 2-liter pot filled with a 2:1 mix of perlite:vermiculate) grown for 30 more days in controlled environment chambers and maintained at a well-watered (WW, maximum soil water content)state
|
14%
|
||
|
Aranjuelo et al. (2009) |
Photosynthesis of thirty-day-old plants (5 per each 2-liter pot filled with a 2:1 mix of perlite:vermiculate) grown for 30 more days in controlled environment chambers and maintained at a water-deficient (WD, 50% of maximum soil water content) state
|
8%
|
||
|
Bertrand et al. (2007) |
Photosynthesis of well watered and fertilized plants inoculated with rhizobia (Sinorhizobium meliloti strain A2) grown from seed for 56 days ten to a pot of non-sterile topsoil in controlled environment chambers
|
40%
|
||
|
Bertrand et al. (2007) |
Photosynthesis of well watered and fertilized plants inoculated with rhizobia (Sinorhizobium meliloti strain NRG34) grown from seed for 56 days ten to a pot of non-sterile topsoil in controlled environment chambers
|
0%
|
||
|
Bunce (1995) |
semi-open acrylic chambers
|
28%
|