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| soil classification | |||
| land classification; soil quality classification | |||
| soil systematics (taxonomy) | |||
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| soil classification | |||
| классификация почв: 26 phrases in 11 subjects |
| Agriculture | 3 |
| Agrochemistry | 1 |
| Ecology | 1 |
| Economy | 6 |
| Electronics | 2 |
| Finances | 1 |
| Forestry | 1 |
| Makarov | 7 |
| Oceanography & oceanology | 2 |
| Oil / petroleum | 1 |
| Transport | 1 |