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|---|---|---|---|---|---|
| 1 | surface soil | 表層土 | |||
| 2 | surface soil | 表土 | |||
| 3 | conservation of surface soil | 表土保全 | |||
| 4 | soil surface | 土壌表層 | |||
| 5 | surface soil erosion | 表土流出 | |||
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|---|---|---|---|---|---|
| 1 | surface soil | 表層土 | |||
| 2 | surface soil | 表土 | |||
| 3 | conservation of surface soil | 表土保全 | |||
| 4 | soil surface | 土壌表層 | |||
| 5 | surface soil erosion | 表土流出 | |||
|