Результаты поиска - (("walter construction") OR ("water conservation"))
Предлагаемые темы внутри своего поиска.
Предлагаемые темы внутри своего поиска.
- Water conservation 30
- Soil conservation 14
- Agricultural engineering 3
- Watershed management 3
- Energy conservation 2
- Hydraulic engineering 2
- Landscape gardening 2
- Soil erosion 2
- Water resources development 2
- Water-supply 2
- Agricultural innovations 1
- Arid Regions agriculture 1
- Arid regions 1
- Color in gardening 1
- Conservation of natural resources--New Zealand 1
- Conservation tillage 1
- Cropping systems 1
- Dams 1
- Dictionaries 1
- Drought-tolerant plants 1
- Electric power consumption 1
- Electric power production 1
- Food service 1
- Forest conservation--New Zealand 1
- Government policy 1
- Grasses 1
- Hill farming 1
- Hotels 1
- Hydraulic models 1
- In-service training 1
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Shade and color with water-conserving plants /
Опубликовано 1992Предметы: “...Landscape gardening Water conservation Southwest, New....”
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5
In-service training for soil and water conservation : report of the Workshop in Serdang, Malaysia, 11-15 December, 1989.
Опубликовано 1989Предметы:Материалы конференции -
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7
Conserving water : the untapped alternative /
Опубликовано 1985Предметы: “...Water conservation...”
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8
Soil and water conservation for productivity and environmental protection
Опубликовано 1980Предметы: -
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10
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11
Farmers' practices and soil and water conservation programs /
Опубликовано 1991Предметы:Материалы конференции -
12
Rain catchment and water supply in rural Africa a manual
Опубликовано 1982Предметы: “...Water conservation Africa...”
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13
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14
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17
Watershed management field manual : slope treatment measures and practices.
Опубликовано 1988Предметы: -
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The water efficient garden : a practical and innovative guide from planning through to established gardens /
Опубликовано 1993Предметы: “...Landscape gardening Water conservation Australia....”
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20