 |
| |||
| 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 in 7 subjects |
| Agriculture | 2 |
| Forestry | 1 |
| General | 3 |
| Life sciences | 1 |
| Name of organization | 6 |
| Natural resourses and wildlife conservation | 5 |
| Transport | 2 |