Variable

Carbon (g∙kg⁻¹)

Nitrogen (g∙kg⁻¹)

C/N

OM (g∙kg⁻¹)

pH

Locality

Niakara

11.84 a

0.66 a

19.92 a

20,42 a

6.27 a

Sinématiali

11.38 a

0.60 a

18.47 a

19.61 a

5.76 b

Pr > F

0.9070

0.8969

0.5929

0.9105

0.0096

Position

Near the river

10,97 a

0,59 a

18.79 a

18,91 a

5.87 a

Far from the river

12.25 a

0.67 a

19.60 a

21.12 a

6.15 a

Pr > F

0.9695

0.9215

0.7638

0.9653

0.0992

Layer

C1

21.45 a

1.15 a

19.71 a

36.98 a

6.12 a

C2

9.38 b

0.48 b

21.12 a

16.18 b

5.85 a

C3

3.99 c

0.26 b

16.75 a

6.88 c

6.06 a

Pr > F

0.0008

0.0026

0.4161

0.0008

0.3654

Average

11.61

0.63

19.19

20.01

6.01

C.V. (p.c.)

26.07

28.16

33.17

26.23

6.180