Table 1 Selected Soil Properties of the Study Sites
From: Carbon storage in soils of Southeastern Nigeria under different management practices
S/N | Bulk | Density | (Mgm-3) | Organic | Carbon | (MgKg-1) | Total | N | (MgKg-1) | pH | (Cacl2) | Â | Clay + silt | MgKg-1 | Â | Sand | MgKg-1 | Â |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | 0-5 | 5-15 | 15-30 | 0-5 | 5-15 | 15-30 | 0-5 | 5-15 | 15-30 | 0-5 | 5-15 | 15-30 | 0-5 | 5-15 | 15-30 | 0-5 | 5-15 | 15-30 |
1. | 1.47 | 1.47 | 1.49 | 1.25 | 1.22 | 1.20 | 0.126 | 0.111 | 0.101 | 5.0 | 5.0 | 5.3 | 56 | 56 | 58 | 44 | 44 | 42 |
2. | 1.52 | 1.55 | 1.56 | 0.83 | 0.80 | 0.61 | 0.070 | 0.041 | 0.036 | 4.9 | 5.2 | 5.2 | 36 | 34 | 34 | 64 | 66 | 66 |
3. | 1.30 | 1.32 | 1.37 | 2.31 | 2.13 | 1.98 | 0.130 | 0.126 | 0.120 | 5.3 | 5.3 | 5.5 | 26 | 28 | 28 | 74 | 72 | 72 |
4. | 1.36 | 1.37 | 1.39 | 2.79 | 2.70 | 2.44 | 0.24 | 0.211 | 0.18 | 4.8 | 4.6 | 4.6 | 38 | 38 | 40 | 62 | 62 | 60 |
5. | 1.29 | 1.31 | 1.32 | 0.63 | 0.62 | 0.59 | 0.09 | 0.09 | 0.07 | 4.3 | 4.3 | 4.6 | 34 | 35 | 38 | 66 | 65 | 62 |
6. | 1.31 | 1.32 | 1.35 | 3.07 | 2.90 | 2.72 | 1.95 | 1.90 | 1.61 | 4.5 | 4.7 | 4.7 | 36 | 37 | 37 | 64 | 63 | 63 |
7. | 1.23 | 1.25 | 1.28 | 2.32 | 2.46 | 2.66 | 0.20 | 0.20 | 0.15 | 4.9 | 4.6 | 4.5 | 37 | 37 | 39 | 63 | 63 | 61 |
8. | 1.60 | 1.62 | 1.66 | 1.63 | 1.57 | 1.52 | 0.27 | 0.22 | 0.21 | 5.2 | 5.4 | 5.4 | 28 | 30 | 30 | 72 | 70 | 70 |
9. | 1.44 | 1.45 | 1.48 | 1.06 | 1.00 | 0.94 | 0.085 | 0.082 | 0.080 | 5.04 | 5.0 | 4.5 | 35 | 37 | 37 | 65 | 63 | 63 |
10. | 1.49 | 1.51 | 1.54 | 0.81 | 0.72 | 0.70 | 0.042 | 0.040 | 0.040 | 4.4 | 4.5 | 4.5 | 66 | 68 | 69 | 34 | 32 | 31 |
CV (%) | 8.6 | 8.5 | 8.39 | 53.3 | 54.1 | 55.7 | 178 | 186 | 184 | 6.9 | 7.67 | 8.00 | 31.5 | 30.9 | 42.00 | 29.3 | 20.6 | 21.5 |