 |
| soil survey: 39 phrases in 14 subjects |
| Agriculture | 3 |
| Agrochemistry | 5 |
| Astronautics | 1 |
| Cartography | 1 |
| Construction | 1 |
| Ecology | 2 |
| Electronics | 1 |
| General | 8 |
| Makarov | 5 |
| Natural resourses and wildlife conservation | 5 |
| Road construction | 1 |
| Sakhalin | 2 |
| Soil science | 1 |
| Technology | 3 |