 |
| |||
| mother rock; native rock; parent rock; soil material | |||
| deep subsoil; lower subsoil; parent material; soil-forming material | |||
| soil forming material | |||
| parent rock material (dimock); soil-forming rock | |||
| Russian thesaurus | |||
| |||
| см. материнская порода Большой Энциклопедический словарь | |||
| почвообразующая порода: 4 phrases in 2 subjects |
| Agrochemistry | 3 |
| Ecology | 1 |