Soil property

Minimum

Maximum

Sand (%)

11.2

20.6

Silt (%)

67.8

78.8

Clay (%)

3.6

16.6

pH

5.5

7.1

Electrical conductivity (dS∙m−1)

0.1

0.3

Bulk density (g∙cm−3)

1.1

1.5

P (kg∙ha−1)

19.7

54.7

K (kg∙ha−1)

53.4

231.5

Ca (kg∙ha−1)

1205

2207

Mg (kg∙ha−1)

240

599

S (kg∙ha−1)

11.7

40.5

Na (kg∙ha−1)

9.9

47.1

Fe (kg∙ha−1)

195

433

Mn (kg∙ha−1)

167

331

Zn (kg∙ha−1)

1.4

4.7

Cu (kg∙ha−1)

0.9

2.5

B (kg∙ha−1)

0.4

1.5

Total carbon (%)

0.7

1.8

C:N ratio

8.6

18.8

Soil organic matter (%)

1.7

3.4