300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Agave salmiana Otto ex Salm-Dyck [Pulque Agave]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
39.5%
|
|
|
| Standard Error |
6.7%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Nobel (1996) |
controlled-environment chambers
|
30%
|
|
|
|
Nobel et al. (1996) |
Young offshoots in field in open-top chambers for 4.5 months
|
49%
|
|
|