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CO2 fertilization

Average is best

Increased atmospheric CO2 enhances grassland biomass production under average conditions, but contrary to earlier predictions the effect declines when it gets wetter, drier, or hotter.

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Figure 1

CLAUDIA KAMMANN

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Correspondence to Robert S. Nowak.

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Nowak, R. Average is best. Nature Clim Change 7, 101–102 (2017). https://doi.org/10.1038/nclimate3212

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