 |
| |||
| растительный материал (Living or dead vegetative matter greatly protect the soil surface from wind action. The vegetative cover not only reduces wind velocity at the soil surface, but also ... Alexander Demidov) | |||
|
| |||
| растительный материал (Living or dead vegetative matter greatly protect the soil surface from wind action. The vegetative cover not only reduces wind velocity at the soil surface, but also ... Alexander Demidov) | |||