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.

Juglans nigra [Black Walnut]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
1
1
 
 Arithmetic Mean
24%
55%
 
 Standard Error
0%
0
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Delaire et al. (2005)

One-year-old walnut trees with roots bathed in a hydroponic recirculating nutrient solution
24%

55%

 

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