Soil quality grades* | Indicator method | Index | ||||
I II III IV V | ||||||
<0.545 | 0.545 - 0.584 | 0.584 - 0.631 | 0.631 - 0.678 | >0.678 | TDS | IQI |
<0.438 | 0.532 - 0.438 | 0.602 - 0.532 | 0.602 - 0.675 | >0.675 | MDS |
|
<0.370 | 0.370 - 0.404 | 0.404 - 0.436 | 0.436 - 0.472 | >0.472 | TDS | NQI |
<0.264 | 0.264 - 0.340 | 0.340 - 0.385 | 0.385 - 0.427 | >0.427 | MDS |
|