soil characteristics

P1

P2

P3

P4

Ag

(0 - 10 cm)

Bg

(10 - 127 cm)

A1

(0 - 10 cm)

BA

(10 - 40 cm)

Bw1

(40 - 70)

Bw2

(70 - 120 cm)

A1

(0 - 25 cm)

BA

(25 - 40 cm)

B4

( 40 - 105 cm)

A1

(0 - 19 cm)

AB

(19 - 44 cm)

Bw

(44 - 86 cm)

Sand

Fine sand

27

11

60

50

60

50

60

60

60

50

50

50

Coarse sand

23

18

7

10

8

10

13

8

5

10

10

14

Slit

Fine silt

9

11

20

20

20

20

20

20

20

6

20

20

Coarse silt

10

13

3

6

2

10

4

8

3

2

3

3

Clay

31

47

17

14

10

10

3

5

12

32

30

13

Texture

Sandy clay

loam

clay

Fine sandy

loam

Fine sandy

loam

Fine sandy

loam

Fine sandy

loam

Fine sandy

loam

Fine sandy

loam

Fine sandy

loam

Sandy clay

loam

Sandy clay

loam

Fine sandy

loam

Particle density (g/cm³)

2.45

2.40

2.64

2.62

2.60

2.61

2.64

2.62

2.6

2.64

2.66

2.63

Bulk density (g/cm³)

1.45

1.74

1.1

1.07

1.22

1.06

1.07

1.03

1.22

1.12

1.04

1.02

Moisture content

48.2

60.27

25.12

31.40

37.10

35.15

40.25

38.40

38.40

40.15

37.48

32.45

Porosity (%)

40.08

27.50

41.67

39.46

41.67

40.77

40.68

39.46

41.67

42.42

39.1

38.78

Structuralist index

21.55

9.11

11.55

10.60

2.53

1.98

15.13

12.68

10.51

5.94

3.98

2.71

Slaking index

1.19

0.24

0.29

0.47

0.66

0.67

0.21

0.23

0.44

1.04

1.28

0.72

Exchangeable bases (cmol/kg de soil)

Ca

1.15

0.87

2.96

1.84

1.24

1.18

3.20

2.96

0.32

0.02

0.64

0.64

Mg

0.8

0.41

0.06

0.04

0.06

0.02

0.06

0.03

0.04

0.04

0.02

0.02

K

0.45

0.25

0.24

0.76

0.56

0.92

2.00

0.64

0.08

0.08

0.16

0.56

Na

0.01

0.02

0.06

0.05

0.04

0.02

0.04

0.03

0.03

0.03

0.02

0.01

Sum of exchangeable bases (cmol/kg)

2.51

1.55

3.32

2.69

1.91

2.14

5.30

3.66

0.47

1.23

1.23

1.23

CEC pH7 (cmolc/kg of soil)

17.5

15.5

7.6

6.54

4.64

4.52

8.23

8.17

7.88

6.52

5.68

5.06

Bases saturation%

14.34

9.87

43.68

41.13

41.16

47.34

64.4

44.8

5.96

18.87

21.65

24.31

Available P (mg/kg)

13

11

7.98

2.52

4.5

1

2.13

0.82

2.72

7.98

2.52

4.5

Exchangeable Al (cmolc + kg⁻¹)

2.2

2.4

0

0

0

0

0

0

0.7

0.7

0.8

Al toxicity (%)

46.71

60.76

0

0

0

0

0

0

36.27

36.27

39.41

Electrical conductivity (CE) (mS/cm)

0.02

0.01

0.03

0.02

0.04

0.03

0.01

0.02

0.04

0.03

0.02

0.01

Exchangeable sodium %

0.06

0.13

0.79

0.76

1.29

1.11

0.49

0.37

0.38

0.15

0.18

0.2

pH_H20

4.5

4.1

5.9

5.8

5.7

5.7

6.9

6.8

6.5

5.8

5.7

5.5

pH_KCl

3.8

3.5

4.6

4.4

4.4

4.4

5.6

5.5

4.9

5.1

4.9

4,8

Organic Carbon (%)

6.25

3.75

2.21

1.84

0.47

0.55

2.50

1.92

1.12

0.41

1.18

0.11

NT (%)

0.32

0.22

0.12

0.12

0.11

0.09

0.17

0.15

0.11

0.12

0.07

0.06