Research Article
Explaining the Soil Quality Using Different Assessment Techniques
Table 3
Soil quality index of soil samples from Luvisols land based on common soil parameters.
| ID | Textural class | Ranking value (R) | Weighted value (a) | Rxa | pH value | Ranking value (R) | Weighted value (b) | Rxb | OC (%) | Ranking value (R) | Weighted value (c) | Rxc | TN | Ranking value (R) | | Ranking value (R) | K | Ranking value (R) | Weighted value (d) | Rxd |
| 1 | Loam | 0.8 | 0.2 | 0.16 | 5.84 | 0.6 | 0.1 | Rxb | 4.39 | 0.4 | 0.4 | 0.16 | 0.44 | 0.6 | 66.4 | 0.6 | 1.39 | 0.6 | 0.3 | 0.06 | 2 | Clay | 0.2 | 0.2 | 0.04 | 4.81 | 0.4 | 0.1 | 0.06 | 3.46 | 0.2 | 0.4 | 0.08 | 0.34 | 0.6 | 4.0 | 0.2 | 0.34 | 0.2 | 0.3 | 0.01 | 3 | Loam | 0.8 | 0.2 | 0.16 | 5.88 | 0.6 | 0.1 | 0.04 | 3.76 | 0.2 | 0.4 | 0.08 | 0.31 | 0.6 | 20.1 | 0.2 | 2.61 | 1 | 0.3 | 0.04 | 4 | Clay loam | 0.4 | 0.2 | 0.08 | 5.60 | 0.6 | 0.1 | 0.06 | 5.09 | 0.6 | 0.4 | 0.24 | 0.45 | 0.6 | 52.6 | 0.6 | 1.64 | 0.8 | 0.3 | 0.09 | 5 | Clay loam | 0.4 | 0.2 | 0.08 | 5.65 | 0.6 | 0.1 | 0.06 | 4.17 | 0.4 | 0.4 | 0.16 | 0.39 | 0.6 | 4.9 | 0.2 | 1.93 | 0.6 | 0.3 | 0.02 | 6 | Clay | 0.2 | 0.2 | 0.04 | 5.27 | 0.6 | 0.1 | 0.06 | 3.83 | 0.2 | 0.4 | 0.08 | 0.42 | 0.6 | 6.3 | 0.2 | 1.08 | 0.6 | 0.3 | 0.02 | 7 | Clay | 0.2 | 0.2 | 0.04 | 5.83 | 0.6 | 0.1 | 0.06 | 4.78 | 0.4 | 0.4 | 0.16 | 0.46 | 0.6 | 18.3 | 0.2 | 1.82 | 0.6 | 0.3 | 0.02 | 8 | Clay | 0.2 | 0.2 | 0.04 | 4.01 | 0.4 | 0.1 | 0.06 | 3.99 | 0.2 | 0.4 | 0.08 | 0.53 | 0.6 | 4.9 | 0.2 | 0.47 | 0.2 | 0.3 | 0.01 | 9 | Clay | 0.2 | 0.2 | 0.04 | 4.96 | 0.6 | 0.1 | 0.04 | 3.72 | 0.2 | 0.4 | 0.08 | 0.43 | 0.6 | 3.6 | 0.2 | 1.48 | 0.6 | 0.3 | 0.02 | 10 | Clay loam | 0.4 | 0.2 | 0.08 | 5.47 | 0.6 | 0.1 | 0.06 | 4.95 | 0.4 | 0.4 | 0.16 | 0.48 | 0.6 | 4.6 | 0.2 | 1.22 | 0.6 | 0.3 | 0.02 | 11 | Clay | 0.2 | 0.2 | 0.04 | 5.30 | 0.6 | 0.1 | 0.06 | 3.87 | 0.2 | 0.4 | 0.08 | 0.35 | 0.6 | 52.3 | 0.6 | 1.35 | 0.6 | 0.3 | 0.06 | 12 | Clay loam | 0.4 | 0.2 | 0.08 | 4.82 | 0.4 | 0.1 | 0.06 | 3.78 | 0.2 | 0.4 | 0.08 | 0.39 | 0.6 | 10.3 | 0.2 | 0.42 | 0.6 | 0.3 | 0.02 | 13 | Clay loam | 0.4 | 0.2 | 0.08 | 5.61 | 0.6 | 0.1 | 0.04 | 4.83 | 0.4 | 0.4 | 0.16 | 0.46 | 0.6 | 94.3 | 0.8 | 2.5 | 0.6 | 0.3 | 0.09 | 14 | Clay | 0.2 | 0.2 | 0.04 | 5.29 | 0.6 | 0.1 | 0.06 | 4.37 | 0.4 | 0.4 | 0.16 | 0.37 | 0.6 | 4.3 | 0.2 | 1.14 | 0.6 | 0.3 | 0.02 | 15 | Clay loam | 0.4 | 0.2 | 0.08 | 5.43 | 0.6 | 0.1 | 0.06 | 3.74 | 0.2 | 0.4 | 0.08 | 0.39 | 0.6 | 75.6 | 0.6 | 2.09 | 0.6 | 0.3 | 0.06 | 16 | Clay | 0.2 | 0.2 | 0.04 | 5.06 | 0.6 | 0.1 | 0.06 | 2.88 | 0.2 | 0.4 | 0.08 | 0.39 | 0.6 | 4.8 | 0.2 | 0.74 | 0.6 | 0.3 | 0.02 | 17 | Clay loam | 0.4 | 0.2 | 0.08 | 5.92 | 0.6 | 0.1 | 0.06 | 4.99 | 0.4 | 0.4 | 0.16 | 0.44 | 0.6 | 7.0 | 0.2 | 0.24 | 0.6 | 0.3 | 0.02 | 18 | Clay loam | 0.4 | 0.2 | 0.08 | 5.46 | 0.6 | 0.1 | 0.06 | 3.07 | 0.2 | 0.4 | 0.08 | 0.33 | 0.6 | 6.4 | 0.2 | 1.22 | 0.6 | 0.3 | 0.02 | 19 | SCL | 1 | 0.2 | 0.2 | 5.56 | 0.6 | 0.1 | 0.06 | 3.83 | 0.2 | 0.4 | 0.08 | 0.37 | 0.6 | 21.0 | 0.2 | 1.5 | 0.6 | 0.3 | 0.02 | 20 | C.L | 0.4 | 0.2 | 0.08 | 5.65 | 0.6 | 0.1 | 0.06 | 4.31 | 0.4 | 0.4 | 0.16 | 0.40 | 0.6 | 48.6 | 0.6 | 1.3 | 0.6 | 0.3 | 0.06 | 21 | Clay loam | 0.4 | 0.2 | 0.08 | 5.54 | 0.6 | 0.1 | 0.06 | 3.72 | 0.2 | 0.4 | 0.08 | 0.39 | 0.6 | 19.1 | 0.2 | 1.44 | 0.6 | 0.3 | 0.02 | 22 | Clay loam | 0.4 | 0.2 | 0.08 | 4.89 | 0.4 | 0.1 | 0.06 | 5.43 | 0.6 | 0.4 | 0.24 | 0.52 | 0.8 | 4.1 | 0.2 | 0.85 | 0.6 | 0.3 | 0.03 | 23 | Clay | 0.2 | 0.2 | 0.04 | 4.30 | 0.4 | 0.1 | 0.04 | 4.48 | 0.4 | 0.4 | 0.16 | 0.44 | 0.6 | 2.7 | 0.2 | 1.46 | 0.6 | 0.3 | 0.02 | 24 | Clay loam | 0.4 | 0.2 | 0.08 | 5.10 | 0.6 | 0.1 | 0.06 | 2.49 | 0.2 | 0.4 | 0.08 | 0.24 | 0.6 | 5.7 | 0.2 | 0.69 | 0.6 | 0.3 | 0.02 | 25 | Clay loam | 0.4 | 0.2 | 0.08 | 6.64 | 0.8 | 0.1 | 0.08 | 4.77 | 0.4 | 0.4 | 0.16 | 0.44 | 0.6 | 95.2 | 0.8 | 7.1 | 0.6 | 0.3 | 0.09 | 26 | Clay loam | 0.4 | 0.2 | 0.08 | 5.78 | 0.6 | 0.1 | 0.06 | 3.50 | 0.2 | 0.4 | 0.08 | 0.39 | 0.6 | 25.6 | 0.2 | 1.66 | 0.6 | 0.3 | 0.02 | 27 | Clay loam | 0.4 | 0.2 | 0.08 | 6.67 | 0.6 | 0.1 | 0.06 | 5.26 | 0.6 | 0.4 | 0.24 | 0.55 | 0.8 | 25.2 | 0.2 | 7.11 | 0.6 | 0.3 | 0.03 | 28 | Clay loam | 0.4 | 0.2 | 0.08 | 4.93 | 0.6 | 0.1 | 0.06 | 3.92 | 0.2 | 0.4 | 0.08 | 0.40 | 0.6 | 4.6 | 0.2 | 0.5 | 0.6 | 0.3 | 0.02 | 29 | SCL | 1 | 0.2 | 0.2 | 5.25 | 0.6 | 0.1 | 0.06 | 3.90 | 0.2 | 0.4 | 0.08 | 0.41 | 0.6 | 11.7 | 0.2 | 0.75 | 0.6 | 0.3 | 0.02 | 30 | Clay loam | 0.4 | 0.2 | 0.08 | 5.73 | 0.6 | 0.1 | 0.06 | 3.15 | 0.2 | 0.4 | 0.08 | 0.33 | 0.6 | 46.0 | 0.6 | 1.58 | 0.6 | 0.3 | 0.06 | 31 | Clay | 0.2 | 0.2 | 0.04 | 4.60 | 0.4 | 0.1 | 0.04 | 4.31 | 0.4 | 0.4 | 0.16 | 0.39 | 0.6 | 3.8 | 0.2 | 0.59 | 0.6 | 0.3 | 0.02 | 32 | Clay loam | 0.4 | 0.2 | 0.08 | 5.54 | 0.6 | 0.1 | 0.06 | 3.18 | 0.2 | 0.4 | 0.08 | 0.35 | 0.6 | 31.6 | 0.6 | 1.22 | 0.6 | 0.3 | 0.06 | 33 | Clay | 0.2 | 0.2 | 0.04 | 5.35 | 0.6 | 0.1 | 0.06 | 3.30 | 0.2 | 0.4 | 0.08 | 0.32 | 0.6 | 3.1 | 0.2 | 0.74 | 0.6 | 0.3 | 0.02 | 34 | Clay loam | 0.4 | 0.2 | 0.08 | 4.76 | 0.4 | 0.1 | 0.04 | 4.00 | 0.4 | 0.4 | 0.16 | 0.43 | 0.6 | 3.8 | 0.2 | 0.55 | 0.6 | 0.3 | 0.02 | 35 | SCL | 1 | 0.2 | 0.2 | 5.06 | 0.6 | 0.1 | 0.06 | 3.95 | 0.2 | 0.4 | 0.08 | 0.42 | 0.6 | 11.9 | 0.2 | 1.02 | 0.6 | 0.3 | 0.02 | 36 | Clay | 0.2 | 0.2 | 0.04 | 5.22 | 0.6 | 0.1 | 0.06 | 4.01 | 0.4 | 0.4 | 0.16 | 0.38 | 0.6 | 6.4 | 0.2 | 0.84 | 0.6 | 0.3 | 0.02 | 37 | SCL | 1 | 0.2 | 0.2 | 5.56 | 0.6 | 0.1 | 0.06 | 2.79 | 0.2 | 0.4 | 0.08 | 0.28 | 0.6 | 19.1 | 0.2 | 0.57 | 0.6 | 0.3 | 0.02 | 38 | Clay loam | 0.4 | 0.2 | 0.08 | 5.44 | 0.6 | 0.1 | 0.06 | 3.94 | 0.2 | 0.4 | 0.08 | 0.39 | 0.6 | 11.6 | 0.2 | 1.09 | 0.6 | 0.3 | 0.02 | 39 | Clay loam | 0.4 | 0.2 | 0.08 | 5.22 | 0.6 | 0.1 | 0.06 | 4.36 | 0.4 | 0.4 | 0.16 | 0.42 | 0.6 | 2.9 | 0.2 | 0.94 | 0.6 | 0.3 | 0.02 | Textural class SQI | 3.28/39 = 0.08 | Soil pH SQI | 2.22/39 = 0.06 | OC SQI | 4.72/39 = 0.12 | NPK SQI | 1.3/39 = 0.03 | | Final SQI (poor) | 11.52/39 = 0.30 |
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