Research Article
Explaining the Soil Quality Using Different Assessment Techniques
Table 2
Soil quality index of soil samples from Nitisols 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 | Clay | 0.2 | 0.2 | 0.04 | 5.08 | 0.6 | 0.1 | 0.06 | 2.8 | 0.2 | 0.4 | 0.08 | 0.2 | 0.2 | 4.37 | 0.2 | 0.41 | 0.2 | 0.3 | 0.0024 | 2 | Clay | 0.2 | 0.2 | 0.04 | 5.04 | 0.6 | 0.1 | 0.06 | 2.33 | 0.2 | 0.4 | 0.08 | 0.17 | 0.2 | 3.5 | 0.2 | 0.53 | 0.4 | 0.3 | 0.0048 | 3 | Clay | 0.2 | 0.2 | 0.04 | 4.76 | 0.4 | 0.1 | 0.04 | 2.21 | 0.2 | 0.4 | 0.08 | 0.16 | 0.2 | 3.71 | 0.2 | 0.85 | 0.4 | 0.3 | 0.0048 | 4 | Clay | 0.2 | 0.2 | 0.04 | 4.42 | 0.4 | 0.1 | 0.04 | 2.21 | 0.2 | 0.4 | 0.08 | 0.17 | 0.2 | 4.74 | 0.2 | 0.57 | 0.4 | 0.3 | 0.0048 | 5 | Clay | 0.2 | 0.2 | 0.04 | 4.47 | 0.4 | 0.1 | 0.04 | 2.09 | 0.2 | 0.4 | 0.08 | 0.15 | 0.2 | 4.37 | 0.2 | 0.77 | 0.4 | 0.3 | 0.0048 | 6 | Clay | 0.2 | 0.2 | 0.04 | 4.69 | 0.4 | 0.1 | 0.04 | 2.15 | 0.2 | 0.4 | 0.08 | 0.16 | 0.2 | 4.58 | 0.2 | 0.75 | 0.4 | 0.3 | 0.0048 | 7 | Clay | 0.2 | 0.2 | 0.04 | 4.29 | 0.4 | 0.1 | 0.04 | 2.25 | 0.2 | 0.4 | 0.08 | 0.17 | 0.2 | 4.16 | 0.2 | 0.69 | 0.4 | 0.3 | 0.0048 | 8 | Clay | 0.2 | 0.2 | 0.04 | 4.47 | 0.4 | 0.1 | 0.04 | 2.17 | 0.2 | 0.4 | 0.08 | 0.16 | 0.2 | 4.12 | 0.2 | 0.66 | 0.4 | 0.3 | 0.0048 | 9 | Clay | 0.2 | 0.2 | 0.04 | 4.36 | 0.4 | 0.1 | 0.04 | 2.65 | 0.2 | 0.4 | 0.08 | 0.21 | 0.4 | 4.94 | 0.2 | 0.59 | 0.4 | 0.3 | 0.0096 | 10 | Clay | 0.2 | 0.2 | 0.04 | 4.52 | 0.4 | 0.1 | 0.04 | 2.03 | 0.2 | 0.4 | 0.08 | 0.14 | 0.2 | 6.03 | 0.2 | 0.83 | 0.4 | 0.3 | 0.0048 | 11 | Clay | 0.2 | 0.2 | 0.04 | 4.26 | 0.4 | 0.1 | 0.04 | 2.44 | 0.2 | 0.4 | 0.08 | 0.17 | 0.2 | 3.2 | 0.2 | 0.64 | 0.4 | 0.3 | 0.0048 | 12 | Clay | 0.2 | 0.2 | 0.04 | 4.68 | 0.4 | 0.1 | 0.04 | 2.11 | 0.2 | 0.4 | 0.08 | 0.16 | 0.2 | 3.91 | 0.2 | 0.61 | 0.4 | 0.3 | 0.0048 | 13 | Clay | 0.2 | 0.2 | 0.04 | 4.65 | 0.4 | 0.1 | 0.04 | 2.41 | 0.2 | 0.4 | 0.08 | 0.17 | 0.2 | 3.71 | 0.2 | 0.7 | 0.4 | 0.3 | 0.0048 | 14 | Clay | 0.2 | 0.2 | 0.04 | 4.59 | 0.4 | 0.1 | 0.04 | 2.23 | 0.2 | 0.4 | 0.08 | 0.16 | 0.2 | 5.15 | 0.2 | 0.54 | 0.4 | 0.3 | 0.0048 | 15 | Clay | 0.2 | 0.2 | 0.04 | 4.50 | 0.4 | 0.1 | 0.04 | 2.23 | 0.2 | 0.4 | 0.08 | 0.16 | 0.2 | 4.53 | 0.2 | 0.78 | 0.4 | 0.3 | 0.0048 | 16 | Clay | 0.2 | 0.2 | 0.04 | 4.54 | 0.4 | 0.1 | 0.04 | 2.21 | 0.2 | 0.4 | 0.08 | 0.16 | 0.2 | 3.91 | 0.2 | 0.86 | 0.4 | 0.3 | 0.0048 | 17 | Clay | 0.2 | 0.2 | 0.04 | 4.45 | 0.4 | 0.1 | 0.04 | 2.19 | 0.2 | 0.4 | 0.08 | 0.16 | 0.2 | 3.71 | 0.2 | 0.62 | 0.4 | 0.3 | 0.0048 | 18 | Clay | 0.2 | 0.2 | 0.04 | 5.09 | 0.6 | 0.1 | 0.06 | 2.17 | 0.2 | 0.4 | 0.08 | 0.17 | 0.2 | 3.71 | 0.2 | 1.16 | 0.4 | 0.3 | 0.0048 | Textural class SQI | 0.72/18 = 0.04 | Soil pH SQI | 0.78/18 = 0.04 | OC SQI | 1.44/18 = 0.08 | NPK SQI | 0.0888/18 = 0.005 | | Final SQI (very poor) | 3.03/18 = 0.17 |
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