Declining tree growth rates despite increasing water-use efficiency under elevated CO<sub>2</sub> reveals a possible global overestimation of CO<sub>2</sub> fertilization effect.

Heliyon · 2022 · PMC9626951 · PMID 36339991

Europe PMC DOI

hedged sentence

0.0796

closest p · 1.6× alpha

0.0796

boldest claim

The sentences

a negative trendp = 0.07965so close (0.05 < p ≤ 0.1)

In contrast to that in the control valley, the linear regression calculated from 1998 to 2017 showed a negative trend (β = –10.06; R 2 = 0.16; p = 0.07965).

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