Research Article
Variability of Soil Physical Properties in a Clay-Loam Soil and Its Implication on Soil Management Practices
Table 1
Descriptive statistics for soil physical properties at four depths in a clay-loam soil.
| | AFPS | BDY | Diff. | GWC | TPS | Tort | VAC | VWC | WFPS |
| D1 (0–10 cm) | | | | | | | | | | Mean | 45.76 | 1.24 | 0.06 | 0.22 | 0.51 | 4.60 | 0.24 | 0.28 | 54.24 | SD | 10.61 | 0.11 | 0.03 | 0.03 | 0.04 | 1.50 | 0.07 | 0.04 | 10.61 | C.V | 23.18 | 8.99 | 56.29 | 15.25 | 8.36 | 32.60 | 29.64 | 15.26 | 19.56 | Median | 45.71 | 1.24 | 0.06 | 0.22 | 0.52 | 4.10 | 0.24 | 0.28 | 54.29 | D2 (10–20 cm) | | | | | | | | | | Mean | 26.54 | 1.47 | 0.02 | 0.21 | 0.42 | 12.46 | 0.12 | 0.31 | 73.46 | SD | 11.19 | 0.18 | 0.02 | 0.048 | 0.07 | 10.70 | 0.06 | 0.05 | 11.19 | C.V | 42.15 | 12.09 | 91.61 | 22.48 | 16.40 | 85.91 | 49.83 | 17.11 | 15.23 | Median | 27.32 | 1.46 | 0.01 | 0.22 | 0.43 | 9.04 | 0.11 | 0.31 | 72.68 | D3 (20–40 cm) | | | | | | | | | | Mean | 42.35 | 1.20 | 0.06 | 0.26 | 0.53 | 4.72 | 0.23 | 0.30 | 57.65 | SD | 8.19 | 0.12 | 0.03 | 0.04 | 0.05 | 1.29 | 0.06 | 0.03 | 8.19 | C.V | 19.33 | 9.75 | 53.22 | 13.92 | 8.68 | 27.30 | 26.27 | 11.48 | 14.20 | Median | 42.11 | 1.20 | 0.05 | 0.25 | 0.53 | 4.52 | 0.22 | 0.31 | 57.90 | D4 (40–60 cm) | | | | | | | | | | Mean | 39.34 | 1.18 | 0.05 | 0.28 | 0.54 | 4.94 | 0.21 | 0.32 | 60.66 | SD | 7.62 | 0.07 | 0.02 | 0.03 | 0.03 | 1.12 | 0.05 | 0.03 | 7.62 | C.V | 19.36 | 5.57 | 46.36 | 10.43 | 4.83 | 22.69 | 22.72 | 10.58 | 12.56 | Median | 39.74 | 1.18 | 0.05 | 0.27 | 0.54 | 4.67 | 0.22 | 0.33 | 60.27 |
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AFPS: Air filled pore space (%); BDY: Soil bulk density (gcm−3); DIFF.: Relative gas diffusion coefficient (m2 s−1 m−2 s); GWC: Gravimetric water content of soil (g·g−1); TPS: Total pore spaces (cm3 cm−3); TORT: Pore tortuosity factor (m·m−1); VAC: Volumetric air content (cm3 cm−3); VWC: Volumetric water content (cm3 cm−3); WFPS: Water filled pore space (%).
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