300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Acacia nilotica Willd. [Gum Arabic Tree]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
4
|
|
|
Arithmetic Mean |
71.5%
|
|
|
Standard Error |
31.2%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Kgope et al. (2010) |
Photosynthesis of well watered and fertilized plants grown from seed for one year in greenhouses
|
23%
|
|
|
Kgope et al. (2010) |
Photosynthesis of well watered and fertilized plants grown from seed in greenhouses for one year, after which they were cut back and allowed to re-grow for a second year
|
0%
|
|
|
Khurana and Singh (2004) |
One-month-old plants grown from large seeds in 1710-cm3 pots that were then exposed to differential CO2 concentrations for one more month
|
111%
|
|
|
Khurana and Singh (2004) |
One-month-old plants grown from small seeds in 1710-cm3 pots that were then exposed to differential CO2 concentrations for one more month
|
152%
|
|
|