Geoscience Reference
In-Depth Information
Table 21.1
(continued)
Horizon
a
Org. C (%) Clay (%) CEC (cmol(+)/kg) Base sat. (%) Al
c
Depth (cm) Munsell color (moist) pH
References
Pedon 6: MMG 1; Minas Gerais, Brazil
Volkoff and Cerri (
1987
)
A1
0-10
4.8
5.8
46
12.6
5
A2
10-49
5.0
2.3
56
8.0
2
BA
49-70
5.1
2.3
49
8.8
1
Bt1
70-105
5.1
1.2
49
5.4
2
Pedon 7: GPR 1; Paran
ยด
, Brazil
Volkoff and Cerri (
1987
)
A1
0-10
4.3
4.1
42
16
16
A2
10-75
4.0
3.5
42
13
13
BA
75-110
4.4
1.2
48
11.9
19
Bt1
110-200
4.4
0.58
53
7.9
28
Pedon 8: P2, Minas Gerais, Brazil
Schaefer et al. (
2002
)
A1
0-15
10YR 5/6d
4.0
4.9
24
18.7
11
3.0a
A2
15-60
10YR 6/4d
4.0
3.55
24
14.9
11
1.7a
Bw1
60-70
10YR 6/6d
4.2
1.01
25
5.12
100
0a
Bw2
70-80
7.5YR 6/6d
4.2
0.78
24
4.92
100
0a
Bw3
80-100
7.5YR 6/8d
4.2
0.9
23
4.82
100
0a
BC
100-120
10YR 6/8d
4.2
0.9
25
6.12
17
0.1a
Pedon 9: Cartago, Colombia
Faivre (
1990
)
A
0-20
10YR 2/2
5.3
4.2
32.4
12.2
98
5.0b
S1
20-35
10YR 2/1-2/2
5.6
3.2
42.8
11.6
98
4.0b
S2
35-50
10YR 2/1-4/6
6.1
2.5
45.9
11.8
100
5.2b
Bw
50-85
10YR 5/8
6.3
0.97
25.8
12.2
100
8.0b
BC
85-130
10YR 5/8
6.2
0.37
40.8
11.1
100
11b
Pedon 10: Guasca, Colombia
Faivre (
1990
)
A
0-60
10YR 3/1
4.9
3.7
56.4
9.3
72
4.7b
S1
60-85
10YR 2/1-3/1
4.8
3.2
61.5
5.9
6.0b
S2
85-120
10YR 2/1-2.5YR 3/4
5.2
1.4
79.6
6.3
3.5b
C
120-X
2.5YR 4/6-5YR 3/4
5.7
0.71
88.9
7.1
2.4b
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