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Percent dry weight (biomass) increases for Acer saccharum Marshall (sugar maples) following 300 ppm increases in the air's CO2 concentration

03 Jul 2024 | Science Notes

From the CO2Science archive: In honor of Canada Day we bring you the CO2Science.org summary of over 30 years of research on the benefits to sugar maples of having extra CO2 in the air. There were 22 such experiments from 1990 to 2018, some in laboratory settings and some in open fields with extra CO2 piped in. And yes, once again plants like plant food, including our iconic maple. Technically, overall the mean addition of biomass associated with sustained exposure to an extra 300 ppm CO2 was 113.8% with a standard error of 18.1%. For more specific details of each experiment see the table here. So happy Dominion Day, all you trees.

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