Torthaí cuardaigh - (water OR walter) conservation
Topaicí molta laistigh de do chuardach.
Topaicí molta laistigh de do chuardach.
- Water conservation 30
- Soil conservation 20
- Energy conservation 7
- Soil erosion 5
- Soils 5
- Watershed management 4
- Agricultural engineering 3
- Hydraulic engineering 3
- Irrigation 3
- Natural resources 3
- Organic fertilizers 3
- Plants 3
- Recycling 3
- Sustainable agriculture 3
- Water resources development 3
- Analysis 2
- Buildings 2
- Conservation of natural resources 2
- Crops 2
- Environmental aspects 2
- Fertilizers 2
- Hydrological stations 2
- Irrigation engineering 2
- Land use 2
- Landscape gardening 2
- Management 2
- Organic wastes 2
- Organic wastes as fertilizers 2
- Papua New Guinea. Department of Environment & Conservation 2
- Renewable energy sources 2
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1
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2
Conserving water : the untapped alternative /
Foilsithe / Cruthaithe 1985Ábhair: “…Water conservation…”
LEABHAR -
3
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4
Resource conservation : social and economic dimensions of recycling /
Foilsithe / Cruthaithe 1977LEABHAR -
5
Vanishing land and water : soil and water conservation in dry lands /
Foilsithe / Cruthaithe 1988Ábhair:LEABHAR -
6
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7
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8
Soilerosion by water : some measures for its control on cultivated lands
Foilsithe / Cruthaithe 1965LEABHAR -
9
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10
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11
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12
In-service training for soil and water conservation : report of the Workshop in Serdang, Malaysia, 11-15 December, 1989.
Foilsithe / Cruthaithe 1989Ábhair:Imeacht comhdhála LEABHAR -
13
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14
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15
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16
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17
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18
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19
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20