Torthaí cuardaigh - ((water conservation) OR (water (conservation OR consultation)))
Topaicí molta laistigh de do chuardach.
Topaicí molta laistigh de do chuardach.
- Water conservation 30
- Soil conservation 20
- Irrigation 6
- Water 6
- Energy conservation 5
- Soil erosion 5
- Soils 5
- Plants 4
- Watershed management 4
- Agricultural engineering 3
- Hydraulic engineering 3
- Management 3
- Natural resources 3
- Organic fertilizers 3
- Purification 3
- Water resources development 3
- Analysis 2
- Conservation of natural resources 2
- Design and construction 2
- Drainage 2
- Environmental aspects 2
- Fertilizers 2
- Hydrological stations 2
- Irrigation engineering 2
- Land use 2
- Landscape gardening 2
- Organic wastes 2
- Organic wastes as fertilizers 2
- Papua New Guinea. Department of Environment & Conservation 2
- Pollution 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
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5
Vanishing land and water : soil and water conservation in dry lands /
Foilsithe / Cruthaithe 1988Ábhair:LEABHAR -
6
Soilerosion by water : some measures for its control on cultivated lands
Foilsithe / Cruthaithe 1965LEABHAR -
7
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8
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9
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10
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11
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 -
12
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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
The water efficient garden : a practical and innovative guide from planning through to established gardens /
Foilsithe / Cruthaithe 1993Ábhair: “…Landscape gardening Water conservation Australia.…”
LEABHAR -
20