C and N in particle size fractions%

C-Sand

C-Silt

C-Clay

N-Sand

N-Silt

N-Clay

Cultivated soils

0 - 15 cm (Surface)

Field1

0.1755a

0.521a

0.7295a

0.0162b

0.0492b

0.0842d

Field2

0.1560b

0.452ab

0.6990ab

0.0122c

0.0480c

0.0920b

Field3

0.1463b

0.450b

0.6710b

0.0101d

0.0497a

0.0986a

Field4

0.1320c

0.369c

0.6120c

0.0210a

0.0492b

0.0910c

15 - 30 cm (Sub-surface)

Field1

0.1365a

0.312c

0.5841a

0.0121b

0.0369b

0.0742b

Field2

0.1270b

0.322b

0.5170c

0.0180a

0.0306a

0.0772a

Field3

0.1191c

0.312c

0.5270b

0.0118b

0.0369b

0.0665c

Field4

0.1107d

0.331a

0.5310b

0.0201a

0.0350a

0.0741b

Uncultivated soils (n = 4)

Forest soil (0 - 15 cm)

0.4005

0.5107

0.7825

0.0312

0.0543

0.0910

Forest soil (15 - 30 cm)

0.2694

0.3939

0.6677

0.0254

0.0417

0.0830