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entretien su sol; soins du sol | |||
protection du sol | |||
conservation des sols | |||
consolidation du sol | |||
conservation du sol | |||
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conservation du sol |
soil conservation : 22 phrases in 9 subjects |
Agriculture | 3 |
Environment | 3 |
General | 1 |
Life sciences | 1 |
Name of organization | 4 |
Natural resourses and wildlife conservation | 1 |
Soil science | 2 |
United Nations | 3 |
Water resources | 4 |