Percent Dry Weight (Biomass) Increases for
300, 600 and 900 ppm Increases in the Air's CO2 Concentration:


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Ambrosia trifida [Great Ragweed]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
3
 
 
 Arithmetic Mean
26%
 
 
 Standard Error
8.2%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

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
6%

 

 

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
37%

 

 

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
35%

 

 

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