300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Danthonia richardsonii Cashmore [Wallaby Grass]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
9
|
|
|
| Arithmetic Mean |
25%
|
|
|
| Standard Error |
8.6%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Barrett and Gifford (1999) |
controlled environment glasshouse,8 mg P kg-1
|
85%
|
|
|
|
Barrett and Gifford (1999) |
controlled environment glasshouse,16 mg P kg-1
|
44%
|
|
|
|
Barrett and Gifford (1999) |
controlled environment glasshouse,32 mg P kg-1
|
21%
|
|
|
|
Navas et al. (1999) |
glasshouse, grown individually,low nitrogen
|
-8%
|
|
|
|
Navas et al. (1999) |
glasshouse, grown individually,high nitrogen
|
2%
|
|
|
|
Navas et al. (1999) |
glasshouse, grown in monoculture,low nitrogen
|
24%
|
|
|
|
Navas et al. (1999) |
glasshouse, grown in monoculture,high nitrogen
|
30%
|
|
|
|
Navas et al. (1999) |
glasshouse, grown in mixture, low nitrogen
|
18%
|
|
|
|
Navas et al. (1999) |
glasshouse, grown in mixture, high nitrogen
|
9%
|
|
|