Research Article
Aggregate Indices Method in Soil Quality Evaluation Using the Relative Soil Quality Index
Table 3
Converting hierarchy for assessing criterion to hierarchy for assessing SQ for the group of content of available forms of bioelements.
| Parameter | Criterion (mg⋅kg−1) | Hierarchy | Reference | Hierarchy for SQ ∈ [, ] (mg⋅kg−1) | SQ |
| N bioavailable | >80 | Rich | | >80 | Good | 20–80 | Moderate |
Le and Tran [12] | 20–80 | Moderate | <20 | Poor | | <20 | Poor |
| P bioavailable | >46 | Rich | | >46 | Good | 36–46 | Moderate | Nguyen [11] | 36–46 | Moderate | <36 | Poor | | <36 | Poor |
| K bioavailable | >150 | Rich | | >150 | Good | 100–150 | Moderate | Tran [10] | 100–150 | Moderate | <100 | Poor | | <100 | Poor |
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