300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Echium plantagineum L. [Salvation Jane]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
4
|
|
|
Arithmetic Mean |
15.8%
|
|
|
Standard Error |
6.2%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Johns and Hughes (2002) |
growth cabinets, aboveground biomass, low temperature
|
3%
|
|
|
Johns and Hughes (2002) |
growth cabinets, aboveground biomass, high temperature
|
33%
|
|
|
Johns and Hughes (2002) |
growth cabinets, belowground biomass, low temperature
|
5%
|
|
|
Johns and Hughes (2002) |
growth cabinets, belowground biomass, high temperature
|
22%
|
|
|