300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Lespedeza capitata Michx. [Roundhead Lespedeza]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
3
|
|
|
| Arithmetic Mean |
333.7%
|
|
|
| Standard Error |
136.1%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Reich et al. (2001) |
FACE
|
96%
|
|
|
|
West et al. (2005) |
Aboveground biomass of plants in their fourth year of a FACE study with extra soil nitrogen (N)
|
655%
|
|
|
|
West et al. (2005) |
Aboveground biomass of plants in their fourth year of a FACE study without extra soil nitrogen (N)
|
250%
|
|
|