300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Buchloe dactyloides [Buffalo Grass]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
3
|
|
|
Arithmetic Mean |
31.7%
|
|
|
Standard Error |
15%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
LeCain and Morgan (1998) |
Well-watered and fertilized C4 plants grown from seed in 8-liter pots for 39 days in controlled environment chambers
|
-5%
|
|
|
McGranahan and Yurkonis (2018) |
Aboveground biomass expressed as a percentage of pre-experimental aboveground biomass that was regrown over the treatment period following a cutting at the beginning of a three week CO2 treatment period of well-watered plants grown in controlled environment chambers
|
47%
|
|
|
McGranahan and Yurkonis (2018) |
Aboveground biomass expressed as a percentage of pre-experimental aboveground biomass that was regrown over the treatment period following a cutting at the beginning of a three week CO2 treatment period of water-limited plants grown in controlled environment chambers
|
53%
|
|
|