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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.

Semi-Natural Grassland in Minnesota, USA

Journal Reference

Experimental Conditions
300 ppm

600 ppm

900 ppm
Dijkstra et al. (2005)
Four C3 grasses, four C4 grasses, four forbs and four legumes grown individually and in various combinations for three years in a FACE study in Minnesota, USA
17%