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

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Non-legume Dicot Component of a New Zealand Dry Sandy Pasture (Primarily Composed of Hypochaeris radicata, Leontodon saxatilis and Rumex acetosella)

Journal Reference

Experimental Conditions
300 ppm

600 ppm

900 ppm
Edwards et al. (2001)
Plants allowed to grow naturally for two years in a FACE study of a New Zealand dry sandy pasture; (mean of peak summer growth 1998, 1999)
338%