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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