Variable

PC1 (54.7 %)

PC2 (26.7 %)

PC3 (9.8 %)

Nodule weight, g m-2

0.95

0.12

0.08

Nitrogen-fixation coefficient, %

0.92

0.15

0.11

Ammonifying bacteria

0.89

0.08

0.14

Oligonitrophilic bacteria

0.86

0.10

0.09

Crude protein, % DM

0.88

0.22

0.18

Green-mass yield

0.84

0.35

0.20

Photosynthetic potential (PP)

0.82

0.28

0.25

Micromycetes, thousand CFU g-1

−0.79

−0.18

0.05

Disease prevalence, %

−0.25

−0.91

−0.08

Weed infestation, plants m-2

−0.15

−0.85

−0.12

1000-seed weight, g

0.30

0.74

0.22

Metabolizable energy (ME), MJ kg-1 DM

0.35

0.28

0.78

Crude fat, % DM

0.22

0.20

0.72