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

For a more detailed description of this table, click here.

Irish Neutral Grassland Community [Agrostis capillaris L. (Colonial Bentgrass), Cynosurus cristatus L. (Crested Dogstailgrass), Holcus lanatus L. (Common Velvetgrass), Lolium perenne L. (Perennial Ryegrass)]

Journal Reference

Experimental Conditions
300 ppm

600 ppm

900 ppm
open-top chambers, July
19%
 
 
open-top chambers, August
14%
 
 
open-top chambers, September
32%
 
 
open-top chambers, February
49%