300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Chamaenerion angustifolium L. [Narrowleaved Fireweed]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
1
|
|
|
| Arithmetic Mean |
96%
|
|
|
| Standard Error |
0%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Beerling and Woodward (1995) |
controlled environment growth cabinets
|
96%
|
|
|