Soil layer (cm)

pH

Organic carbon (%)

Total N (%)

N (mg∙kg⁻¹)

N (mg∙kg⁻¹)

Available phosphorous (mg∙kg⁻¹)

Available potassium (mg∙kg⁻¹)

0 - 15

6.1

0.49

0.05

9.8

2.0

6.27

0.26

15 - 30

6.2

0.28

0.03

7.3

2.1

6.03

0.24

30 - 60

6.2

0.19

0.02

5.1

2.2

5.18

0.22

60 - 90

6.3

0.14

0.01

4.7

2.5

4.83

0.19

90 - 120

6.4

0.13

0.01

4.3

2.7

3.98

0.16

120 - 150

6.5

0.12

0.01

3.5

3.2

3.19

0.15

150 - 180

6.7

0.10

0.01

3.0

3.4

2.88

0.13