Geoscience Reference
In-Depth Information
Table 14.2 (continued)
1,500(kPa)/
clay (%)
Db
(g/cm 3 )
CaCO 3
(%)
EC
(dS/m)
CEC
(cmol c /kg)
Base
sat. (%)
Horizon a
Depth (cm)
Clay (%)
Silt (%)
Sand (%)
OC (%)
pH H 2 O
Unsel: fine-loamy, mixed, superactive, mesic Durinodic Haplargids; mixed alluvium (Pedon No. 78C0066)
A1
0-3
4.9
24.9
70.2
0.73
0.25
9.2
5
9.3
100
A2
3-8
8.0
39.4
52.6
0.60
1.47
0.07
9.3
5
13.6
100
Bt1
8-15
17.9
23.8
58.3
0.41
1.47
0.05
9.4
7
1.20
18.2
100
Bt2
15-30
19.7
18.3
62.0
1.35
9.3
11
0.94
22.4
100
2Bk
30-51
14.2
27.6
58.2
0.54
1.25
9.2
9
5.72
15.6
100
2Bkq
51-81
12.2
17.2
70.6
0.57
1.63
9.0
5
13.20
14.8
100
3Bk
81-110
5.6
9.2
85.2
0.77
1.45
8.8
2
13.80
9.9
100
Monserate: fine-loamy, mixed, superactive, thermic Typic Durixeralfs; old granite alluvium (Pedon No. 69C0018)
Ap
0-24
8.6
26.4
65.0
0.42
0.47
5.9
6.3
95
A1
24-46
11.4
28.9
59.7
0.37
1.8
0.20
6.0
7.1
100
A2
46-60
10.7
28.4
60.9
0.43
0.13
6.0
7.0
96
Bt1
60-80
25.5
21.5
53.0
0.45
2.0
0.16
6.5
17.5
98
Bt2
80-92
27.1
15.1
57.8
0.41
7.0
18.4
100
Bqm
92-105
10.7
16.8
72.5
0.90
7.7
1
0.96
19.3
100
2Bqm
105-135
18.8
44.6
36.6
7.5
26.4
100
Modoc: fine-loamy, mixed, superactive, mesic Vitritorrandic Durixerolls; volcanic ash (Pedon No. 67C0040)
Ap
0-18
15.8
18.3
65.9
0.63
1.61
1.26
6.1
tr
18.5
31
Ap
18-30
18.5
16.8
64.7
0.56
1.55
0.66
5.9
tr
20.4
19
B
30-41
25.9
19.2
54.9
0.57
1.57
0.54
6.2
tr
27.4
24
Bt1
41-58
27.9
17.0
55.1
0.62
1.61
0.38
6.3
tr
32.1
29
Bt2
58-81
29.7
31.5
38.8
0.84
1.43
0.42
6.2
tr
43.9
29
Bqm1
81-97
5.6
25.4
69.0
4.29
1.18
0.21
7.9
3
42.8
100
Bqm2
97-130
6.1
33.5
60.4
3.85
1.15
0.13
8.1
4
43.9
100
Bqm3
130-147
6.7
33.1
60.2
3.10
1.03
8.1
2
36.4
100
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