300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Agrostis capillaris L. [Colonial Bentgrass]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
3
|
|
|
Arithmetic Mean |
46.3%
|
|
|
Standard Error |
20.2%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Beerling and Woodward (1995) |
controlled environment growth cabinets
|
94%
|
|
|
Davey et al. (1999) |
open-top chamber, moderate nutrients
|
11%
|
|
|
Davey et al. (1999) |
open-top chamber, low nutrients
|
34%
|
|
|