Soil properties

Suitability classes

S1

S2

S3

N

pH-H2O (0 - 20 cm)

4.10 - 4.30

4.00 - 4.40

4.00 - 4.60

<4.00 and >5.00

pH-H2O (20 - 40 cm)

4.60 - 4.90

4.70 - 4.90

4.60 - 5.00

<4.0 and >5.00

OC (0 - 20 cm) (%)

1.51 - 1.90

1.23 - 2.97

1.01 - 3.19

<1.00

OC (20 - 40 cm) (%)

0.73 - 1.34

1.08 - 1.85

0.73 - 1.96

< 0.73

Ca²⁺ (0 - 20 cm) (cmolc∙kg⁻¹)

0.32 - 0.41

0.34 - 0.64

0.33 - 0.88

<0.33 and >0.88

Mg²⁺ (0 - 20 cm) (cmolc∙kg⁻¹)

0.08 - 0.25

0.05 - 0.18

0.04 - 0.31

<0.04 and >0.31

(Al + H) (0 - 20 cm) (cmolc∙kg⁻¹)

3.78 - 4.43

3.71 - 4.31

3.33 - 4.67

>4.67

CEC (0 - 20 cm) (cmolc∙kg⁻¹)

4.99 - 6.59

4.98 - 8.64

4.85 - 8.00

<4.85 and >8.64

ECEC (0 - 20 cm) (cmolc∙kg⁻¹)

4.26 - 4.92

4.35 - 4.88

3.85 - 5.46

<3.85 and >5.50

BS (0 - 20 cm) (%)

6.9 - 9.6

6.6 - 11.5

6.2 - 17.9

<6.2 and >17.9

Clay (0 - 20 cm) (%)

34.6 - 45.6

32.6 - 46.6

24.6 - 48.6

<24.0 and >50.5

Silt (0 - 20 cm) (%)

9.0 - 20.0

10.0 - 26.0

8.0 - 34.0

<9.0 and >37.0

Fine sand (0 - 20 cm) (%)

14.7 - 26.3

9.7 - 29.1

3.2 - 36.9

<10.0 and >37.0

Coarse sand (0 - 20 cm) (%)

20.1 - 29.1

12.5 - 33.5

10.9 - 39.7

<11.00 and >40.00