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Table 4 The eigenvalues and principal components of soil variables along with variances in percentage

From: Soil properties changes earthworm diversity indices in different agro-ecosystem

VariablesPC1PC2PC3PC4
Sand0.1270.933– 0.0060.118
Silt– 0.0470.954– 0.076– 0.105
Clay– 0.167– 0.8980.169– 0.031
Moisture0.0850.174– 0.705– 0.187
pH0.7480.113– 0.010– 0.272
EC0.943– 0.167– 0.005– 0.036
TDS0.944– 0.165– 0.010– 0.043
OC– 0.009– 0.0390.9620.137
Ca0.1640.345– 0.2670.614
Na– 0.097– 0.193– 0.0290.802
K0.7350.295– 0.0220.248
P0.2820.0690.2740.660
N0.147– 0.247– 0.1770.768
Earthworms abundance– 0.3780.4270.390– 0.149
Eigenvalue3.2152.7121.9921.414
Variance (%)22.9619.3714.2310.10
Cumulative variance (%)22.9642.3356.5766.67
  1. Extraction method: principal component analysis. rotation method: varimax with kaiser normalization