300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Plantago erecta Morris [Dwarf Plantain]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
2
|
|
|
Arithmetic Mean |
4.5%
|
|
|
Standard Error |
11.7%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Jackson and Reynolds (1996) |
open-top chambers, roots, -NPK
|
21%
|
|
|
Jackson and Reynolds (1996) |
open-top chambers, roots, +NPK
|
-12%
|
|
|