| |||
terre labourable; couche arable; couche superficielle; sol superficiel; terre arable | |||
terre de revêtement | |||
couche supérieure |
surface soil : 17 phrases in 7 subjects |
Agriculture | 5 |
Construction | 1 |
Earth sciences | 1 |
Environment | 2 |
Life sciences | 2 |
Natural resourses and wildlife conservation | 3 |
Nuclear physics | 3 |