Table 5.
Exchangeable acidity and micronutrients of the pedons in Upper Hoha sub-watershed.
| Pedon | Depth | Exchangeable acidity (cmolc kg−1 soil) |
Micronutrients (mg kg−1 soil) |
|||||
|---|---|---|---|---|---|---|---|---|
| Al3+ | H+ | Ex. Acidity | Fe | Mn | Cu | Zn | ||
| 1 | 0–22 | 1.04 | 0.16 | 1.20 | 78.6 | 139.9 | 3.0 | 0.1 |
| 22–53 | 0.64 | 0.40 | 1.04 | 26.9 | 15.3 | 0.5 | 0.2 | |
| 53–87 | 0.88 | 0.16 | 1.04 | 34.0 | 8.6 | 0.5 | 0.1 | |
| 87–113 | 2.80 | 0.24 | 3.04 | 23.9 | 7.1 | 0.5 | 0.1 | |
| 113+ | 3.04 | 0.32 | 3.36 | 16.2 | 3.6 | 0.2 | 0.1 | |
| 2 | 0–32 | 0.54 | 0.24 | 0.24 | 95.1 | 199.8 | 4.6 | 0.4 |
| 32–57 | 0.30 | 0.08 | 0.38 | 26.7 | 13.4 | 0.6 | 0.1 | |
| 57–93 | 0.16 | 0.10 | 0.26 | 15.0 | 17.4 | 0.8 | 0.1 | |
| 93–124 | 0.18 | 0.08 | 0.26 | 16.8 | 9.4 | 0.5 | 0.2 | |
| 124+ | 0.25 | 0.16 | 0.41 | 12.1 | 6.7 | 0.3 | 0.1 | |
| 3 | 0–25 | 0.45 | 0.54 | 0.99 | 78.5 | 109.7 | 3.4 | 1.2 |
| 25–49 | 0.94 | 1.12 | 2.06 | 24.8 | 14.5 | 1.4 | 0.2 | |
| 49–90 | 0.57 | 0.19 | 0.76 | 17.2 | 4.1 | 0.4 | 0.3 | |
| 90–124 | 0.72 | 0.60 | 1.32 | 12.8 | 3.2 | 0.2 | 0.2 | |
| 124+ | 0.40 | 0.20 | 0.54 | 9.5 | 1.9 | 0.1 | 0.3 | |
| 4 | 0–20 | 0.30 | 0.55 | 0.85 | 31.5 | 34.1 | 1.6 | 0.3 |
| 20–52 | 0.50 | 0.50 | 1.00 | 19.5 | 9.6 | 0.9 | 0.2 | |
| 52–81 | 3.20 | 0.60 | 3.80 | 14.2 | 4.2 | 0.4 | 0.3 | |
| 81–117 | 2.50 | 1.14 | 3.64 | 13.3 | 3.2 | 0.3 | 0.3 | |
| 117+ | 4.00 | 1.04 | 5.04 | 12.7 | 3.1 | 0.5 | 0.3 | |
| 5 | 0–30 | 1.04 | 0.40 | 1.44 | 50.9 | 107.4 | 2.7 | 0.2 |
| 30–65 | 1.12 | 0.08 | 1.20 | 18.9 | 9.2 | 0.3 | 0.1 | |
| 65–85 | 3.28 | 0.48 | 3.76 | 14.5 | 5.1 | 0.2 | 0.1 | |
| 85–112 | 3.52 | 0.32 | 3.84 | 19.2 | 7.8 | 0.3 | 0.1 | |
| 112+ | 3.20 | 0.64 | 3.84 | 15.0 | 3.2 | 0.2 | 0.1 | |
| 6 | 0–23 | 0.70 | 0.9 | 1.60 | 65.2 | 63.9 | 3.5 | 0.4 |
| 23–38 | 3.60 | 0.8 | 4.40 | 25.7 | 4.8 | 0.9 | 0.3 | |
| 38–86 | 0.60 | 0.5 | 1.10 | 16.4 | 2.4 | 0.3 | 0.2 | |
| 86+ | 0.40 | 0.54 | 0.94 | 34.9 | 3.3 | 0.3 | 0.3 | |
| 7 | 0–31 | 0.50 | 0.65 | 1.15 | 56.3 | 25.0 | 3.6 | 0.4 |
| 31–50 | 0.58 | 0.34 | 0.92 | 29.4 | 7.7 | 1.0 | 0.2 | |
| 50–81 | 1.10 | 0.10 | 1.20 | 23.4 | 7.6 | 0.6 | 0.3 | |
| 81–124 | 2.90 | 0.40 | 3.30 | 23.8 | 6.6 | 0.7 | 0.3 | |
| 124+ | 0.22 | 0.32 | 0.54 | 8.2 | 3.9 | 0.2 | 0.3 | |
Ex. Acidity = exchangeable acidity.