300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Hemizonia congesta [Hayfield Tarweed]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
48.5%
|
|
|
| Standard Error |
10.3%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Moore and Field (2006) |
Aboveground biomass of initially-fertilized plants grown from seed for 143 days in 95 cm deep by 15 cm diameter microcosms filled with a 1:1 mix of sand and field soil placed within open-top chambers
|
34%
|
|
|
|
Moore and Field (2006) |
Belowground biomass of initially-fertilized plants grown from seed for 143 days in 95 cm deep by 15 cm diameter microcosms filled with a 1:1 mix of sand and field soil placed within open-top chambers
|
63%
|
|
|