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Table 3 C, N, P, and K contents of Sphagnum moss tissue

From: Microbial nitrogen fixation and methane oxidation are strongly enhanced by light in Sphagnum mosses

TreatmentC content (mg C g−1)N content (mg N g−1)P content (mg P g−1)K content (mg K g−1)na
Mean ± SEM Mean ± SEM Mean ± SEM Mean ± SEM 
Control444 ± 2.9ns7.2 ± 0.1a0.49 ± 0.02a7.6 ± 0.3ac32
N440 ± 2.0ns8.1 ± 0.3b0.47 ± 0.01a6.4 ± 0.2b32
N + P434 ± 10ns7.8 ± 0.2ab0.57 ± 0.02b6.5 ± 0.2ab32
P443 ± 2.0ns7.4 ± 0.2a0.50 ± 0.04a8.3 ± 0.5c32
  1. For each measured element the differences between treatments are indicated with italic letters, identical letters indicate no difference
  2. ns not significant
  3. aAs n was the same for each measurement it is only mentioned once here. CH4 addition treatment was merged with its control, resulting in doubling of the replicates