Sample (site)

C_org g/kg

MO g/kg

pH

CaCO_3tot g/kg

P₂O₅ g/kg Joret- Herbert

Mn_total HF mg/kg

Fe_total HF g/kg

2T4 (Cau Dien)

64.9

112

7.57

5.1

0.68

509

49.9

4T3 (Dong Anh)

11.7

20.3

8.75

5.4

nd

395

44.1

6T1 (Thanh Liet)

17.0

29.4

5.94

<1

nd

543

60.6

8T4 (Dong Anh)

11.1

19.2

5.52

<1

0.16

79.5

9.1

2T1 (Cau Dien)

38.0

65.8

8.00

<1

nd

535

48.8

4T4 (Dong Anh)

19.8

34.3

7.02

<1

0.05

434

33.8

6T2 (Thanh Liet)

12.7

22.0

8.28

7.7

0.15

423

34.5