檢索結果 - (( ((soil consultation) OR (soil conservation)) ) OR ( soil construction ))*
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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Vanishing land and water : soil and water conservation in dry lands /
出版 1988主題: “...Soil conservation....”
圖書 -
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A study of the reasons for success or failure of soil conservation projects /
出版 1991主題: “...Soil conservation projects....”
圖書 -
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Farmers' practices and soil and water conservation programs /
出版 1991主題: “...Soil conservation Arid Regions....”
Conference Proceeding 圖書 -
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International Symposium on Water Erosion, Sedimentation and Resource Conservation, October 9-13, 1990, Dehradun, India.
出版 1990主題:Conference Proceeding 圖書 -
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