300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Ricinus communis L. [Castor Bean]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
7
|
|
|
| Arithmetic Mean |
53.6%
|
|
|
| Standard Error |
16.3%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Arnone and Korner (1993) |
closed simulated ecosystems,understory plants
|
18%
|
|
|
|
Arnone and Korner (1993) |
closed simulated ecosystems,overstory plants
|
20%
|
|
|
|
Grimmer and Komor (1999) |
growth chambers, at 0 hours light
|
58%
|
|
|
|
Grimmer and Komor (1999) |
growth chambers, after 14 hours light
|
47%
|
|
|
|
Grimmer et al. (1999) |
growth chambers, leaves
|
68%
|
|
|
|
Vanaja et al. (2008) |
Seed yield biomass of well watered and fertilized plants grown from seed for 105 days in open-top chambers
|
148%
|
|
|
|
Vanaja et al. (2008) |
Total biomass of well watered and fertilized plants grown from seed for 105 days in open-top chambers
|
16%
|
|
|