Soil layer (cm)

pH

Organic carbon (%)

Total N (%)

N

(ppm )

(ppm)

Field capacity (fraction, vol.)

Wilting point (fraction, vol.)

0 - 15

6.4

0.9

0.093

13

2.0

0.42

0.19

15 - 30

6.3

0.72

0.07

10

2.0

0.45

0.2

30 - 60

6.2

0.53

0.055

8

3.0

0.41

0.21

60 - 90

6.2

0.32

0.035

6

3.5

0.4

0.2

90 - 120

6.1

0.24

0.027

4

3.7

0.42

0.22