Результаты поиска - (((("walter construction") OR ("walter consultation"))) OR ("water conservation"))
Предлагаемые темы внутри своего поиска.
Предлагаемые темы внутри своего поиска.
- Water conservation 30
- Soil conservation 12
- Agricultural engineering 3
- Watershed management 3
- Energy conservation 2
- Hydraulic engineering 2
- Landscape gardening 2
- Water resources development 2
- Water-supply 2
- Agricultural innovations 1
- Arid Regions agriculture 1
- Arid regions 1
- Color in gardening 1
- Conservation tillage 1
- Cropping systems 1
- Dictionaries 1
- Drought-tolerant plants 1
- Electric power consumption 1
- Electric power production 1
- Food service 1
- Government policy 1
- Hotels 1
- In-service training 1
- Irrigation 1
- Irrigation scheduling 1
- Management 1
- Motels 1
- Plants 1
- Pollution 1
- Shade trees 1
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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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28
Farmers' practices and soil and water conservation programs /
Опубликовано 1991Предметы:Материалы конференции 
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29
Shade and color with water-conserving plants /
Опубликовано 1992Предметы: “...Landscape gardening Water conservation Southwest, New....”
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30
Energy and water management in western irrigated agriculture /
Опубликовано 1986Предметы:Неизвестно