検索結果 - (((("soil consultation") OR ("soil conservation"))) OR ("soil construction"))
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- Soil conservation 92
- Soil erosion 24
- Water conservation 11
- Soil management 8
- Soil fertility 7
- Land use, Rural 6
- Soil degradation 5
- Soil science 5
- Sustainable agriculture 5
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- Agriculture 4
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- Research 4
- Soils 4
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- Handbooks, manuals, etc 3
- Hydraulic engineering 3
- Management 3
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- Watershed management 3
- Agricultural systems 2
- Congresses 2
- Crops and soils 2
- Economic aspects 2
- Environmental aspects 2
- Nature conservation 2
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- "soil construction" »
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1986 Soil Conservation Conference, Macquarie University, 16th, 17th July.
主題: “…Soil conservation.…”
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Compilation of papers : Soils Workshop for Agronomists, Horticulturalists and Soil Conservationists, 4-5 May, 1988, Alstonville.
出版事項 1988主題: “…Soil conservation.…”
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The Philippines recommends for soil conservation 1977.
出版事項 1977主題: “…Soil conservation Philippines.…”
図書 -
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A basis for soil conservation policy in Australia : Commonwealth and state government collaborative soil conservation study 1975-77, report 1 /
出版事項 1978主題: “…Soil conservation Australia.…”
図書
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A study of the reasons for success or failure of soil conservation projects /
出版事項 1991主題: “…Soil conservation projects.…”
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Soil conservation and management in developing countries : report of an expert consultation held in Rome, 22-26 November 1976.
出版事項 1977主題: “…Soil conservation Developing countries.…”
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