300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Piper auritum Kunth [Vera Cruz Pepper]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
2
|
|
|
Arithmetic Mean |
67.5%
|
|
|
Standard Error |
5.3%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Walters and Field (1987) |
field, shade leaf
|
60%
|
|
|
Walters and Field (1987) |
field, sun leaf
|
75%
|
|
|