300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Rubus [Blackberry]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
1
|
|
|
Arithmetic Mean |
675%
|
|
|
Standard Error |
0%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Sanders et al. (2004) |
FACE study of blackberry plants that growing together competitively with four other plant species comprise more than 90% of the biomass of the understory of a closed-canopy sweetgum plantation
|
675%
|
|
|