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Table 4 Relative abundance of bacterial classes of different fertilization strategies (relative abundance > 1%)

From: Effect of long-term fertilization strategies on bacterial community composition in a 35-year field experiment of Chinese Mollisols

Phylum Class CK (%) PK (%) NPK (%) MPK (%)
Proteobacteria Alphaproteobacteria 12.66 ± 0.88 a 13.39 ± 0.84a 19.72 ± 0.77b 20.61 ± 10.18b
Betaproteobacteria 10.48 ± 0.97c 8.86 ± 1.58b 6.74 ± 0.51a 7.13 ± 0.81a
Deltaproteobacteria 4.53 ± 0.57b 4.17 ± 0.37b 2.81 ± 0.17a 4.32 ± 0.32b
Gammaproteobacteria 3.06 ± 0.49a 3.09 ± 0.46a 4.04 ± 0.38b 3.59 ± 0.18b
Acidobacteria Acidobacteriia 1.90 ± 0.13b 2.18 ± 0.20b 3.88 ± 0.45c 1.51 ± 0.17a
Solibacteres 0.62 ± 0.14a 1.00 ± 0.21b 2.02 ± 0.15c 0.78 ± 0.11a
Actinobacteria Actinobacteria 8.61 ± 0.58a 7.76 ± 2.99a 8.19 ± 1.10a 7.89 ± 2.81a
Thermoleophilia 1.69 ± 0.27a 1.59 ± 0.56a 2.65 ± 0.40b 1.37 ± 0.49a
Verrucomicrobia Spartobacteria 6.75 ± 0.52a 7.47 ± 1.47ab 8.36 ± 0.98b 7.06 ± 1.25ab
Planctomycetes Phycisphaerae 2.77 ± 0.15a 3.97 ± 0.41b 4.20 ± 0.42b 3.05 ± 0.52a
Planctomycetia 3.52 ± 0.29a 3.27 ± 0.25a 3.19 ± 0.18a 3.13 ± 0.48a
Gemmatimonadetes Gemmatimonadetes 7.23 ± 1.07ab 7.24 ± 0.92ab 8.40 ± 0.91b 6.03 ± 1.11a
Bacteroidetes Sphingobacteriia 3.17 ± 0.73ab 4.25 ± 1.32b 2.75 ± 0.30a 4.45 ± 1.55b
Nitrospirae Nitrospira 2.71 ± 0.28c 2.49 ± 0.18bc 1.01 ± 0.12a 2.40 ± 0.30b
  1. Values are mean ± standard deviation (n = 6). Values within the same column followed by different lowercase letters indicate significant differences according to Tukey’s multiple comparison tests