| Soil gradation (Pg) | Average rainfall (Cp) | Mean annual temperature (Ct) | % Relative humidity (Ch) | Aspect (As) | Percent slope (So) | Above sea level (EV) | Ecological factors, many classes | |||||||
| value | Great | value | Great | value | Great | value | Great | value | Great | value | Great | value | Great | |
| 1 | Superfine | 0 | 50 | 1 | 18ċ | 1 | 40% | 556 | North | 284 | Less than 2% | 10 number mean 301 | Less than 1000 | 1 |
| 0 | Fine | 1 | 51 - 200 | 1 | 18.1 - 21 | 1 | 40.1 - 60% | 400 | North East | 271 | 5 - 2 | 51 number mean 241 | 1000 - 1400 | 2 |
| 1 | Coarse | 2 | 201 - 500 | 2 | 21.1 - 24 | 1 | 60.1 - 80% | 371 | East | 394 | 8 - 5 | 148 number mean 359 | 1400 - 1800 | 3 |
| 0 | Average | 4 | 500 - 800 | 1 | 24.1 - 30 | 0 | More than 80% | 421 | South East | 494 | 12 - 8 | 100 number mean 623 | 1800 - 2200 | 4 |
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| 1 | 800 - 1200 | 0 | More than30 |
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| 349 | South | 572 | 15 - 12 | 130 number mean 625 | 2200 - 2600 | 5 |
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| 1201 - 3000 |
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| 385 | South west | 330 | 30 - 15 | 105 number mean 62716 | 2600 - 3000 | 6 |
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| 370 | West | 270 | 30 - 65 | 38 number mean 545 | 3000 - 3400 | 7 |
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| 387 | North west | 125 | More than 65% |
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