Plant nitrogen retention in alpine grasslands of the Tibetan Plateau under multi-level nitrogen addition.

Sci Rep · 2023 · PMC9845361 · PMID 36650209

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hedged sentences

0.0600

closest p · 1.2× alpha

0.0700

boldest claim

The sentences

marginal significanceP = 0.06so close (0.05 < p ≤ 0.1)

We applied our own criteria to the case of Peng, Chen and Yang 17 and found a marginal significance ( t = − 1.91, df = 53, P = 0.06) between fencing and grazing.

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marginally significantP = 0.07so close (0.05 < p ≤ 0.1)

NRF was marginally significant ( F 2,81 = 2.73, P = 0.07) across the different grassland types, with the highest NRF (mean: 47.19%) in meadow, followed by steppe (mean: 35.20%) and desert steppe (mean: 17.90%; Appendix S2: Table S6 ).

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an increasing trendno p-value reported

ANPP, BNPP and the root:shoot ratio response to N addition ANPP showed an increasing trend under the influence of N addition during the field experiment, with significant difference between 16 g N m −2 yr −1 N addition and the control in 2011 and 2015 (Appendix S1: Fig.

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showed a trendno p-value reported

At a larger scale of TP alpine grassland and IM grassland, the NRF showed a trend of decreasing before reaching N cr (Appendix S2: Fig.

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