Research Article
County-Scale Spatial Variability of Macronutrient Availability Ratios in Paddy Soils
Table 1
Summary statistics for macronutrient elements and other selected properties of paddy soils
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| | Range | Minimum | Maximum | Mean | S.D. | Skewness | Kurtosis | C.V. (%) |
| N availability ratio (%) | 14.13 | 3.38 | 17.50 | 9.43 | 1.33 | 1.09 | 5.45 | 14.07 | P availability ratio (%) | 31.88 | 0.12 | 32.00 | 2.45 | 3.08 | 4.76 | 31.11 | 125.36 | K availability ratio (%) | 4.51 | 0.13 | 4.64 | 0.56 | 0.35 | 3.97 | 33.08 | 61.81 | TN (g/kg) | 1.87 | 0.48 | 2.35 | 1.44 | 0.31 | | 0.14 | 21.69 | AN (mg/kg) | 181.00 | 45.00 | 226.00 | 134.64 | 28.15 | | 0.18 | 20.91 | TP (g/kg) | 15.65 | 0.15 | 15.80 | 0.74 | 0.66 | 18.75 | 426.86 | 88.73 | ln TP | 4.66 | | 2.76 | | 0.46 | | 4.07 | | AP (mg/kg) | 93.00 | 2.00 | 95.00 | 14.03 | 11.21 | 2.55 | 9.73 | 79.89 | ln AP | 3.86 | 0.69 | 4.55 | 2.39 | 0.71 | | | 29.54 | TK (g/kg) | 28.36 | 7.33 | 35.69 | 19.96 | 3.41 | 0.91 | 1.87 | 17.07 | ln TK | 1.58 | 1.99 | 3.57 | 2.98 | 0.17 | | 3.00 | 5.61 | AK (mg/kg) | 400.00 | 25.00 | 425.00 | 111.11 | 64.66 | 1.87 | 4.43 | 58.20 | ln AK | 2.83 | 3.22 | 6.05 | 4.57 | 0.53 | 0.01 | 0.34 | 11.60 | SOM (g/kg) | 35.65 | 4.89 | 40.54 | 23.11 | 5.31 | | 0.07 | 22.97 | pH | 3.00 | 5.10 | 8.10 | 6.61 | 0.67 | 0.76 | | 10.08 | CEC (cmol (+)/kg) | 30.42 | 1.08 | 31.50 | 12.78 | 4.19 | 0.04 | 0.83 | 32.79 | AB (mg/kg) | 5.04 | 0.10 | 5.14 | 0.64 | 0.55 | 3.59 | 18.16 | 86.73 | ACu (mg/kg) | 5.28 | 0.61 | 5.89 | 2.70 | 0.89 | 0.45 | | 33.08 | AZn (mg/kg) | 8.39 | 0.12 | 8.51 | 1.38 | 0.73 | 2.40 | 15.20 | 52.58 | AMn (mg/kg) | 545.41 | 5.79 | 551.20 | 33.08 | 25.79 | 12.92 | 256.27 | 77.96 | AFe (mg/kg) | 349.74 | 6.03 | 355.77 | 118.78 | 89.18 | 0.67 | | 75.08 | AS (mg/kg) | 182.65 | 7.85 | 190.50 | 41.25 | 21.99 | 1.42 | 4.58 | 53.30 |
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