Ngā hua rapu - "(water OR walter) (consultation" OR (construction" OR conservation"))
Ngā kaupapa kua whakahuatia i roto i tō rapu.
Ngā kaupapa kua whakahuatia i roto i tō rapu.
- Energy conservation 122
- Conservation of natural resources 106
- Soil conservation 86
- Conservation and restoration 56
- Nature conservation 50
- Forest conservation 49
- Wildlife conservation 41
- Buildings 35
- Conservation 32
- Environmental protection 32
- Water conservation 30
- Environmental policy 27
- Ecology 25
- Environmental aspects 25
- Handbooks, manuals, etc 25
- Forests and forestry 24
- Power resources 24
- Soil erosion 24
- Forest management 22
- Agricultural conservation 21
- Rain forests 19
- Deforestation 18
- Library materials 18
- Management 18
- Rain forest conservation 18
- Rain forest ecology 17
- Architecture and energy conservation 16
- Government policy 16
- Architecture 15
- Marine resources conservation 15
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1
Soil and water conservation in semi-arid areas /
I whakaputaina 1987Ngā marau: “…Soil conservation…”
Pukapuka -
2
Energy conservation in the mechanical forest industries /
I whakaputaina 1990Ngā marau: “…Forest Conservation.…”
Tē mōhiotia -
3
Vanishing land and water : soil and water conservation in dry lands /
I whakaputaina 1988Ngā marau: “…Soil conservation.…”
Pukapuka -
4
Crop production with conservation in the 80's : proceedings of the American Society of Agricultural Engineers Conference on Crop Production with Conservation in the 80's, December...
I whakaputaina 1981Ngā marau:Conference Proceeding Pukapuka -
5
Conservation for productive agriculture : commemorative volume released on the eightieth birthday of Dr. B.P. Pal /
I whakaputaina 1986Ngā marau: “…Agricultural conservation.…”
Pukapuka -
6
Energy and water resource management /
I whakaputaina 1988Ngā marau: “…Motels Energy conservation.…”
Pukapuka -
7
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8
Principles and practice of plant conservation /
I whakaputaina 1994Ngā marau: “…Plant conservation.…”
Pukapuka -
9
Measures for improving engineering equipment with a view to more effective energy use /
I whakaputaina 1984Ngā marau: “…Energy conservation.…”
Pukapuka -
10
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11
Soil and water conservation engineering /
I whakaputaina 1993Ngā marau: “…Soil conservation.…”
Pukapuka -
12
Energy conservation through building design /
I whakaputaina 1979Ngā marau: “…Buildings Energy conservation.…”
Pukapuka -
13
Soil and water conservation for productivity and environmental protection
I whakaputaina 1980Ngā marau: “…Soil conservation…”
Pukapuka -
14
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15
Energy conservation in buildings and industrial plants
I whakaputaina 1981Ngā marau: “…Buildings Energy conservation…”
Pukapuka -
16
Our green and living world the wisdom to save it
I whakaputaina 1984Ngā marau: “…Nature conservation…”
Pukapuka -
17
Soil and water conservation research, 1956-71
I whakaputaina 1975Ngā marau: “…Soil conservation India…”
Pukapuka -
18
Elementary soil and water engineering /
I whakaputaina 1971Ngā marau: “…Soil conservation.…”
Pukapuka -
19
Elementary soil and water engineering /
I whakaputaina 1985Ngā marau: “…Soil conservation.…”
Pukapuka -
20
Conservation activities.
I whakaputaina 1965Ngā marau: “…Natural resources Conservation.…”
Pukapuka