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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.

Nutrient-poor semi-natural grassland community classified as a Festuco-Brometum, comprised of up to 40 vascular plant species dominated by Bromus erectus and Festuca rubra

Journal Reference

Experimental Conditions
300 ppm

600 ppm

900 ppm
Winkler and Herbst (2004)
FACE study with one or two harvests per year over a four-year period
20%