Ngā hua rapu - (( water conservation ) OR ( water construction ))
Ngā kaupapa kua whakahuatia i roto i tō rapu.
Ngā kaupapa kua whakahuatia i roto i tō rapu.
- Water conservation 30
- Design and construction 27
- Soil conservation 20
- Water 8
- Water-supply 6
- Energy conservation 5
- Purification 5
- Soil erosion 5
- Soils 5
- Handbooks, manuals, etc 4
- Hydraulic engineering 4
- Management 4
- Natural resources 4
- Sewage disposal plants 4
- Water resources development 4
- Watershed management 4
- Agricultural engineering 3
- Environmental aspects 3
- Hydraulic structures 3
- Hydroelectric power plants 3
- Irrigation 3
- Organic fertilizers 3
- Plants 3
- Storm sewers 3
- Water treatment plants 3
- Water-supply, Rural 3
- Analysis 2
- Concrete construction 2
- Conservation of natural resources 2
- Dams 2
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21
Design and construction of small water systems : a guide for managers: an AWWA small-systems resource book /
I whakaputaina 1984Pukapuka -
22
The water efficient garden : a practical and innovative guide from planning through to established gardens /
I whakaputaina 1993Ngā marau: “…Landscape gardening Water conservation Australia.…”
Pukapuka -
23
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24
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25
Soil and water conservation for productivity and environmental protection
I whakaputaina 1980Ngā marau:Pukapuka -
26
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27
Farmers' practices and soil and water conservation programs /
I whakaputaina 1991Ngā marau:Conference Proceeding Pukapuka -
28
Rain catchment and water supply in rural Africa a manual
I whakaputaina 1982Ngā marau: “…Water conservation Africa…”
Pukapuka -
29
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30
Proceedings of the national workshop on Urban Water Demand Management, Alexander Library, Perth Cultural Centre, April 29 - May 1, 1986 /
I whakaputaina 1987Ngā marau:Pukapuka -
31
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32
Overshot waterwheel a design and construction manual
I whakaputaina 1980Ngā marau: “…Water-wheels Design and construction…”
Pukapuka -
33
Earth, air, and water : resources and environment in the late 20th century /
I whakaputaina 1991Pukapuka -
34
The water gardener : a complete guide to designing, constructing and planting water features /
I whakaputaina 1993Pukapuka -
35
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36
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37
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38
Land use and water resources in temperate and tropical climates
I whakaputaina 1973Ngā marau:Pukapuka -
39
Guidelines for economic appraisal of watershed managementprojects /
I whakaputaina 1987Ngā marau:Pukapuka -
40
Watershed management field manual : slope treatment measures and practices.
I whakaputaina 1988Ngā marau:Pukapuka