 |
| |||
| emergency tillage | |||
| conservation treatment (почвы) | |||
| противоэрозионная обработка: 6 phrases in 4 subjects |
| Agriculture | 1 |
| Ecology | 3 |
| Makarov | 1 |
| Technology | 1 |
|
| |||
| emergency tillage | |||
| conservation treatment (почвы) | |||
| противоэрозионная обработка: 6 phrases in 4 subjects |
| Agriculture | 1 |
| Ecology | 3 |
| Makarov | 1 |
| Technology | 1 |