300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Xanthium strumarium var. canadense Mill. [Canada Cockleburr]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
7
|
|
|
| Arithmetic Mean |
30.6%
|
|
|
| Standard Error |
6.4%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Kinugasa et al. (2003) |
Grown from seed for one growing season in 1.5-liter pots in open-top chambers out-of-doors at low nitrogen
|
9%
|
|
|
|
Kinugasa et al. (2003) |
Grown from seed for one growing season in 1.5-liter pots in open-top chambers out-of-doors at high nitrogen
|
48%
|
|
|
|
Kinugasa et al. (2004) |
Biomass of well watered and fertilized plants grown from seed to maturity in 1.5-L pots filled with washed river sand located out-of-doors in open-top chambers
|
14%
|
|
|
|
Miyagi et al. (2007) |
Seed or grain yield biomass of well watered and fertilized plants grown from seed to maturity in 4-liter pots filled with sand out-of-doors in open-top chambers
|
25%
|
|
|
|
Miyagi et al. (2007) |
Whole plant biomass (at flowering) of well watered and fertilized plants grown from seed in 4-liter pots filled with sand out-of-doors in open-top chambers to the time of their natural death
|
24%
|
|
|
|
Miyagi et al. (2007) |
Whole plant biomass (at time of death) of well watered and fertilized plants grown from seed in 4-liter pots filled with sand out-of-doors in open-top chambers to the time of their natural death
|
60%
|
|
|
|
Nagel et al. (2005) |
Well watered and fertilized plants grown from seed for 71 days in pots within controlled environment chambers
|
34%
|
|
|