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
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3
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4
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5
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6
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7
Soilerosion by water : some measures for its control on cultivated lands
Foilsithe / Cruthaithe 1965LEABHAR -
8
Vanishing land and water : soil and water conservation in dry lands /
Foilsithe / Cruthaithe 1988LEABHAR -
9
The water efficient garden : a practical and innovative guide from planning through to established gardens /
Foilsithe / Cruthaithe 1993LEABHAR -
10
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11
Earth, air, and water : resources and environment in the late 20th century /
Foilsithe / Cruthaithe 1991LEABHAR -
12
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13
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14
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15
Proceedings of the national workshop on Urban Water Demand Management, Alexander Library, Perth Cultural Centre, April 29 - May 1, 1986 /
Foilsithe / Cruthaithe 1987LEABHAR -
16
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17
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18
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19
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20