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.

California Annual Grassland on Sandstone-Derived Soil


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
2
 
 
 Arithmetic Mean
21%
 
 
 Standard Error
3.5%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Fredeen et al. (1998)

Photosynthesis of plants growing in PVC-tube microsoms at mid-season peak growth under low nutrient status
16%

 

 

Fredeen et al. (1998)

Photosynthesis of plants growing in PVC-tube microsoms at mid-season peak growth under high nutrient status
26%

 

 

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