Hakutulokset - (( ((soil consultation) OR (soil conservation)) ) OR ( soil construction ))
Aihe-ehdotuksia
Aihe-ehdotuksia
- 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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41
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42
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43
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44
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45
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46
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47
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48
Vanishing land and water : soil and water conservation in dry lands /
Julkaistu 1988Aiheet: “…Soil conservation.…”
Kirja -
49
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50
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51
Soilerosion by water : some measures for its control on cultivated lands
Julkaistu 1965Aiheet:Kirja -
52
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53
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54
Erosion control ... protecting our future : proceedings of Conference XVII, International Erosion Control Association February 27 & 28, 1986, Dallas, Texas.
Julkaistu 1986Aiheet:Konferenssijulkaisu Kirja -
55
A study of the reasons for success or failure of soil conservation projects /
Julkaistu 1991Aiheet: “…Soil conservation projects.…”
Kirja -
56
Farmers' practices and soil and water conservation programs /
Julkaistu 1991Aiheet: “…Soil conservation Arid Regions.…”
Konferenssijulkaisu Kirja -
57
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58
International Symposium on Water Erosion, Sedimentation and Resource Conservation, October 9-13, 1990, Dehradun, India.
Julkaistu 1990Aiheet:Konferenssijulkaisu Kirja -
59
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60