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Table 2 Average ammonium content of green and open inter-rows from ambient and elevated CO2 treatments

From: Elevated atmospheric CO2 concentrations caused a shift of the metabolically active microbiome in vineyard soil

CO2 conditions

Green inter-rows

NH4+ [µM g−1 DW soil]

Open inter-rows

NH4+ [µM g−1 DW soil]

p-value

Ambient

245.66 ± 81.21

161.35 ± 39.3

0.003**

Elevated

370.44 ± 250.86

948.69 ± 628.71

0.025*

  1. Error is expressed as standard deviation of mean values (n = 3). P-values significance codes are from a t-test for samples with unequal variances. Significance codes: ** p < 0.01, * p < 0.05