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Soil and water conservation: productivity and environmental protection
| 主要な著者: | Donahue, Royl, Hobbs, J Arthur, Troeh, Frederick R |
|---|---|
| フォーマット: | Printed Book |
| 出版事項: |
New jersey, Prentice Hall
1999
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| 版: | Ed.3 |
| 主題: |
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