Результаты поиска - (( soil conservation ) OR ( soil consultation ))*
Предлагаемые темы внутри своего поиска.
Предлагаемые темы внутри своего поиска.
- 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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1
Soil conservation and management in developing countries : report of an expert consultation held in Rome, 22-26 November 1976.
Опубликовано 1977Предметы: “...Soil conservation Developing countries....”
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5
The expert consultation on the ASOCON information service, Los Banos, The Philippines, 6-9 November 1990.
Опубликовано 1991Предметы: -
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9
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10
Conserving soil resources : European perspectives : selected papers from the First International Congress of the European Society for Soil Conservation /
Опубликовано 1994Предметы: “...Soil conservation Europe....”
Материалы конференции -
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15
Soil conservation in the Pacific : a symposium and a panel discussion /
Опубликовано 1963Предметы: “...Soil conservation Pacific Area....”
Материалы конференции -
16
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18
Soil management for the conservation of soil nitrogen /
Опубликовано 1991Предметы: “...Soil conservation....”
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The Philippines recommends for soil conservation 1977.
Опубликовано 1977Предметы: “...Soil conservation Philippines....”