 |
| |||
| great soil group (medium category of the USA or English-soil classification); great soil group (medium category of the USA or English-soil classification); genetic soil type | |||
|
groupe de sols : 20 phrases, 7 sujets |
| Agriculture | 2 |
| Général | 3 |
| Nom de l'organisation | 6 |
| Ressources naturelles et conservation de la faune | 5 |
| Sciences de la vie | 1 |
| Sylviculture | 1 |
| Transport | 2 |