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 |
7
|
|
|
| Arithmetic Mean |
60.4%
|
|
|
| Standard Error |
12.5%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Augustine et al. (2011) |
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
|
21%
|
|
|
|
McGranahan and Yurkonis (2018) |
Aboveground biomass expressed as a percentage of pre-experimental aboveground biomass that was regrown over the treatment period following a cutting at the beginning of a three week CO2 treatment period of well-watered plants grown in controlled environment chambers
|
74%
|
|
|
|
McGranahan and Yurkonis (2018) |
Aboveground biomass expressed as a percentage of pre-experimental aboveground biomass that was regrown over the treatment period following a cutting at the beginning of a three week CO2 treatment period of water-limited plants grown in controlled environment chambers
|
34%
|
|
|
|
Morgan et al. (1998) |
growth chamber, shoot
|
47%
|
|
|
|
Morgan et al. (1998) |
growth chamber, root
|
58%
|
|
|
|
Morgan et al. (2001) |
growth chamber, low nitrogen
|
58%
|
|
|
|
Morgan et al. (2001) |
growth chamber, high nitrogen
|
131%
|
|
|