Table 6 OC, TN, EC, exchangeable Na, salt, and CaCO3 of CSB soils
Pedon | Depth (cm) | OC | TN | C/N | ECe | EC2.5 | Salt con. | ESP | CaCO3 |
|---|---|---|---|---|---|---|---|---|---|
(%) | (dS/m) | (%) | |||||||
Kulfo Watershed = Upper Chamo Basin (ULS) | |||||||||
 P-1 | 0–34 | 0.91 | 0.12 | 7.84 | 0.35 | 0.14 | 0.68 | 2.65 | 7.22 |
34–200 | 0.18 | 0.02 | 10.60 | 0.23 | 0.09 | 3.32 | 3.82 | 7.00 | |
 P-2 | 0–90 | 1.14 | 0.12 | 9.67 | 0.83 | 0.33 | 5.40 | 2.50 | 5.56 |
90–97 | – | – | – | – | – | – | – | – | |
97–200 | 0.41 | 0.05 | 8.15 | 1.70 | 0.68 | 12.36 | 4.48 | 7.01 | |
 P-3 | 0–80 | 0.81 | 0.10 | 8.22 | 0.25 | 0.10 | 1.60 | 1.60 | 2.89 |
80–85 | – | – | – | – | – | – | – | – | |
85–200 | 0.61 | 0.07 | 9.25 | 0.20 | 0.08 | 1.15 | 1.85 | 7.15 | |
Sille-Sego Watershed = Middle Chamo Basin (MLS) | |||||||||
 P-4 | 0–35 | 2.16 | 0.20 | 10.81 | 0.83 | 0.33 | 2.10 | 1.86 | 5.01 |
35–200 | 0.36 | 0.03 | 10.86 | 0.38 | 0.15 | 4.95 | 3.04 | 7.06 | |
 P-5 | 0–40 | 1.41 | 0.16 | 8.58 | 23.90 | 9.56 | 65.20 | 3.16 | 3.87 |
40–200 | 0.27 | 0.03 | 8.19 | 13.78 | 5.51 | 150.40 | 2.86 | 5.06 | |
 P-6 | 0–50 | 0.57 | 0.03 | 17.15 | 18.05 | 7.22 | 61.50 | 2.38 | 7.26 |
50–58 | – | – | – | – | – | – | – | – | |
58–200 | 0.31 | 0.02 | 18.46 | 15.33 | 6.13 | 147.68 | 2.37 | 6.00 | |
Waseca-Doyso Watershed = Lower Chamo Basin (LLS) | |||||||||
 P-7 | 0–46 | 1.24 | 0.13 | 9.36 | 0.55 | 0.22 | 1.84 | 2.08 | 6.11 |
46–140 | 1.20 | 0.07 | 17.93 | 0.68 | 0.27 | 4.7 | 3.65 | 7.50 | |
 P-8 | 0–30 | 1.19 | 0.15 | 7.97 | 0.58 | 0.23 | 1.2 | 2.00 | 5.01 |
30–120 | 0.28 | 0.03 | 8.52 | 0.35 | 0.14 | 1.8 | 2.79 | 7.80 | |
120–200 | 0.12 | 0.02 | 7.13 | 0.30 | 0.12 | 1.6 | 3.68 | 7.23 | |
 P-9 | 0–50 | 1.08 | 0.12 | 8.91 | 0.33 | 0.13 | 1.00 | 2.45 | 4.40 |
50–54 | – | – | – | – | – | – | – | – | |
54–200 | 0.27 | 0.03 | 8.04 | 0.38 | 0.15 | 4.38 | 2.64 | 5.45 | |
Arguba-Wezeka Watershed = Toe Chamo Basin (TLS) | |||||||||
 P-10 | 0–30 | 0.42 | 0.03 | 12.66 | 0.40 | 0.16 | 0.90 | 3.61 | 5.95 |
30–80 | 0.23 | 0.02 | 13.61 | 0.63 | 0.25 | 2.00 | 2.69 | 7.12 | |
80–200 | 0.17 | 0.02 | 9.98 | 0.58 | 0.23 | 4.80 | 2.54 | 5.06 | |
 P-11 | 0–46 | 0.94 | 0.12 | 8.09 | 0.25 | 0.10 | 0.92 | 1.21 | 5.01 |
46–115 | 0.31 | 0.03 | 9.36 | 0.30 | 0.12 | 1.38 | 2.32 | 5.18 | |
115–200 | 0.15 | 0.02 | 9.67 | 0.33 | 0.13 | 1.70 | 2.84 | 4.30 | |
 P-12 | 0–17 | 4.05 | 0.52 | 7.85 | 1.30 | 0.52 | 1.53 | 2.31 | 4.68 |
17–70 | 0.58 | 0.07 | 8.69 | 5.55 | 2.22 | 20.14 | 4.14 | 8.87 | |
70–200 | 0.21 | 0.02 | 12.92 | 4.38 | 1.75 | 39 | 5.63 | 8.87 | |