300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Pascopyrum smithii (Rydb.) A. Love [Western Wheatgrass]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
6
|
|
|
| Arithmetic Mean |
61.2%
|
|
|
| Standard Error |
14.9%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Augustine et al. (2011) |
Photosynthesis of deficit-irrigated plants grown for 62 days after planting in polyvinylchloride cylinders 15 cm in diameter and 45 cm deep filled with a 33:33:33 mix of sandy loam soil:washed sand:calcined clay within two greenhouses maintained at different CO2 concentrations eight days after a defoliaton event
|
80%
|
|
|
|
LeCain et al. (2003) |
Photosynthesis of plants growing naturally in a semi-arid nitrogen-limited grassland of northeastern Colorado (USA) within open-top chambers for a period of four years
|
25%
|
|
|
|
Morgan et al. (1994) |
Intact soil cores with plants in growth chambers in 3rd & 4th growing seasons under ambient temperature
|
55%
|
|
|
|
Morgan et al. (1994) |
Intact soil cores with plants in growth chambers in 3rd & 4th growing seasons under ambient temperature + 4?C
|
21%
|
|
|
|
Morgan et al. (1998) |
growth chambers, 30 days after planting
|
57%
|
|
|
|
Morgan et al. (1998) |
growth chambers, 60 days after planting
|
129%
|
|
|