檢索結果 - ((((soil construction) OR (soil conservation))) OR (soil consultation))
在您的搜尋 主題建議
在您的搜尋 主題建議
- Soil conservation 86
- Soil erosion 26
- Soils 16
- Water conservation 14
- Soil mechanics 13
- Foundations 11
- Land use 11
- Soil management 9
- Design and construction 7
- Soil degradation 7
- Sustainable agriculture 7
- Land use, Rural 6
- Soil fertility 6
- Soil science 6
- Agricultural conservation 5
- Agriculture 5
- Planning 5
- Research 5
- Roads 5
- Soil stabilization 5
- Building 4
- Government policy 4
- Management 4
- Organic fertilizers 4
- Plants 4
- Testing 4
- Watershed management 4
- Agricultural ecology 3
- Agricultural engineering 3
- Agricultural systems 3
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The Philippines recommends for soil conservation 1977.
出版 1977主題: “...Soil conservation Philippines....”
圖書 -
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Soil conservation and management in the humid tropics /
出版 1977主題: “...Soil conservation Tropics....”
圖書 -
32
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Soil and water conservation for productivity and environmental protection
出版 1980主題: “...Soil conservation...”
圖書 -
34
Soil conservation for small farmers in the humid tropics /
出版 1989主題: “...Soil conservation....”
圖書 -
35
In-service training for soil and water conservation : report of the Workshop in Serdang, Malaysia, 11-15 December, 1989.
出版 1989主題: “...Soil conservation In-service training....”
Conference Proceeding 圖書 -
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1986 Soil Conservation Conference, Macquarie University, 16th, 17th July.
主題: “...Soil conservation....”
Conference Proceeding 圖書 -
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Compilation of papers : Soils Workshop for Agronomists, Horticulturalists and Soil Conservationists, 4-5 May, 1988, Alstonville.
出版 1988主題: “...Soil conservation....”
Conference Proceeding 圖書