Hakutulokset - (((("soil conservation") OR ("soil consultation"))) OR ("soil construction"))
Aihe-ehdotuksia
Aihe-ehdotuksia
- Soil conservation 86
- Soil erosion 24
- Water conservation 12
- Soil management 7
- Soil fertility 6
- Land use, Rural 5
- Soil degradation 5
- Sustainable agriculture 5
- Agriculture 4
- Government policy 4
- Land use 4
- Soil science 4
- Soils 4
- Agricultural conservation 3
- Agricultural ecology 3
- Agricultural engineering 3
- Conservation tillage 3
- Handbooks, manuals, etc 3
- Hydraulic engineering 3
- Planning 3
- Research 3
- Watershed management 3
- Agricultural systems 2
- Agroforestry 2
- Crops and soils 2
- Economic aspects 2
- Environmental aspects 2
- Management 2
- Nature conservation 2
- Sediment control 2
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1
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2
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3
1986 Soil Conservation Conference, Macquarie University, 16th, 17th July.
Aiheet: “…Soil conservation.…”
Konferenssijulkaisu Kirja -
4
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5
Compilation of papers : Soils Workshop for Agronomists, Horticulturalists and Soil Conservationists, 4-5 May, 1988, Alstonville.
Julkaistu 1988Aiheet: “…Soil conservation.…”
Konferenssijulkaisu Kirja
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6
Soil conservation for small farmers in the humid tropics /
Julkaistu 1989Aiheet: “…Soil conservation.…”
Kirja -
7
The Philippines recommends for soil conservation 1977.
Julkaistu 1977Aiheet: “…Soil conservation Philippines.…”
Kirja -
8
A study of the reasons for success or failure of soil conservation projects /
Julkaistu 1991Aiheet: “…Soil conservation projects.…”
Kirja -
9
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10
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11
Soil conservation and management in developing countries : report of an expert consultation held in Rome, 22-26 November 1976.
Julkaistu 1977Aiheet: “…Soil conservation Developing countries.…”
Kirja -
12
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13
Farming systems development and soil conservation /
Julkaistu 1994Aiheet: “…Soil conservation.…”
Kirja -
14
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15
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16
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17
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18
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19
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20
Soilerosion by water : some measures for its control on cultivated lands
Julkaistu 1965Aiheet:Kirja