 |
|
arable : 49 phrases in 12 subjects |
| Agriculture | 16 |
| Agrochemistry | 1 |
| Earth sciences | 2 |
| Economics | 2 |
| European Union | 2 |
| General | 3 |
| Geology | 2 |
| Natural resourses and wildlife conservation | 16 |
| Oil and gas technology | 1 |
| Statistics | 1 |
| Technology | 2 |
| Water resources | 1 |