Soil degradation : analysis and proposal : the importance of the conservation of the soil
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国立国会図書館デジタルコレクション
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- Material Type
- 博士論文
- Author/Editor
- 清浦雷作 [著]
- Author Heading
- 清浦, 雷作, 1911-1998 キヨウラ, ライサク, 1911-1998 ( 00032776 )Authorities
- Alternative Title
- 土壌の変貭 : その解析と提言 : 土壌保全の重要性 ドジョウ ノ ヘンシツ : ソノ カイセキ ト テイゲン : ドジョウ ホゼン ノ ジュウヨウセイ
- Degree grantor/type
- 東京工業大学
- Date Granted
- 平成3年3月31日
- Date Granted (W3CDTF)
- 1991
- Dissertation Number
- 乙第2202号
- Degree Type
- 学術博士