Hakutulokset - (( soil conservation ) OR ( soil consultation ))*
Aihe-ehdotuksia
Aihe-ehdotuksia
- Soil conservation 86
- Soil erosion 26
- Soils 14
- Water conservation 14
- Land use 11
- Soil management 9
- Sustainable agriculture 7
- Land use, Rural 6
- Soil degradation 6
- Soil fertility 6
- Soil science 6
- Agricultural conservation 5
- Agriculture 5
- Planning 5
- Research 5
- Government policy 4
- Organic fertilizers 4
- Plants 4
- Watershed management 4
- Agricultural ecology 3
- Agricultural engineering 3
- Agricultural systems 3
- Analysis 3
- Classification 3
- Conservation tillage 3
- Environmental aspects 3
- Fertilizers 3
- Handbooks, manuals, etc 3
- Hydraulic engineering 3
- Management 3
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21
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22
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23
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24
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25
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26
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27
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28
Dictionary of soil and water conversation /
Julkaistu 1984Aiheet: “…Soil conservation Dictionaries…”
Kirja -
29
Soil conservation and management in the humid tropics /
Julkaistu 1977Aiheet: “…Soil conservation Tropics.…”
Kirja -
30
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31
Soil and water conservation for productivity and environmental protection
Julkaistu 1980Aiheet: “…Soil conservation…”
Kirja -
32
Soil conservation for small farmers in the humid tropics /
Julkaistu 1989Aiheet: “…Soil conservation.…”
Kirja -
33
In-service training for soil and water conservation : report of the Workshop in Serdang, Malaysia, 11-15 December, 1989.
Julkaistu 1989Aiheet: “…Soil conservation In-service training.…”
Konferenssijulkaisu Kirja -
34
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35
Farming systems development and soil conservation /
Julkaistu 1994Aiheet: “…Soil conservation.…”
Kirja -
36
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37
1986 Soil Conservation Conference, Macquarie University, 16th, 17th July.
Aiheet: “…Soil conservation.…”
Konferenssijulkaisu Kirja -
38
Compilation of papers : Soils Workshop for Agronomists, Horticulturalists and Soil Conservationists, 4-5 May, 1988, Alstonville.
Julkaistu 1988Aiheet: “…Soil conservation.…”
Konferenssijulkaisu Kirja -
39
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40