Table 2 The first two principal components (PCs) of phospholipid fatty acids (PLFAs). G+, gram-positive bacteria; G-, gram-negative bacteria; F/B, the ratio of fungi to bacteria; G+/G-, the ratio of G + to G-.

From: Subtropical maize production and soil microbial communities show minimal response to earthworm bio-tillage

Variable

PC1

PC2

Bacteria

0.980

0.151

Fungi

0.951

-0.248

G+

0.962

0.213

G-

0.977

-0.119

Actinomycetes

0.540

0.607

F/B

0.093

-0.943

G+/G-

-0.272

0.889

Eigenvalue

2.03

1.48

Cumulative variance%

58.8

90.1

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