Percent Photosynthesis (Net CO2 Exchange Rate) Increases for
300, 600 and 900 ppm Increases in the Air's CO2 Concentration:


For a more detailed description of this table, click here.

Polygonum cuspidatum [Japanese Knotweed]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
3
 
 
 Arithmetic Mean
32.7%
 
 
 Standard Error
3.5%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Onoda et al. (2005)

Well watered and fertilized plants grown from seed for 20 days and measured in August
33%

 

 

Onoda et al. (2005)

Well watered and fertilized plants grown from seed for 20 days and measured in October
40%

 

 

Onoda et al. (2005)

Well watered and fertilized plants grown from seed for 100 days and measured in October
25%

 

 

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