Percent Dry Weight (Biomass) Increases for
300, 600 and 900 ppm Increases in the Air's CO2 Concentration:


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Grass/clover mixture (75:25) of Perennial ryegrass (Lolium perenne L.) and White clover (Trifolium repens L.)



Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
 
 
1
 Arithmetic Mean
 
 
19%
 Standard Error
 
 
0%

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Weigel and Manderscheid (2005)

Mean results of a number of experiments conducted at the Institute of Agroecology of the Federal Agricultural Research Centre, Braunschweig, Germany, over the period 1992-2000, in experimental settings ranging from controlled environment chambers to out-of-doors open-top chambers (OTCs) to free air carbon dioxide enrichment (FACE)
 

 

19%

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