Soil property

Unit

Mean value

Range

Total C

g∙kg1

444.9

222.7 - 507.4

Total N

g∙kg−1

19.6

11.6 - 25.3

C/N ratio

-

23.2

18.9 - 29.3

Organic matter

%

26.1

12.9 - 29.4

pH CaCl2

-

5.3

4.5 - 6.7

Mahalanobis distance

-

6.9

1.1 - 19.6

Mehlich-3 extraction

P

mg∙kg−1

326.6

49.3 - 630.0

100P/(Al + 5Fe)

%

14.0

2.8 - 25.6

K

mg∙kg−1

526.2

144.9 - 1025.2

Ca

mg∙kg−1

11,595.1

6344.3 ? 17,217.9

Mg

mg∙kg−1

1743.8

1019.7 - 3810.5

S

mg∙kg−1

0.5

0.3 - 1.1

Cu

mg∙kg−1

23.3

5.1 - 37.9

Mn

mg∙kg−1

60.0

27.4 - 80.7

Zn

mg∙kg−1

13.9

6.9 - 40.8

Fe

mg∙kg−1

775.0

354.0 - 1417.7

Al

mg∙kg−1

154.7

0.0 - 1118.1