Hakutulokset - (("walter construction") OR ((("water conservation") OR ("water consultation"))))
Aihe-ehdotuksia
Aihe-ehdotuksia
- Water conservation 30
- Soil conservation 12
- Agricultural engineering 3
- Watershed management 3
- Energy conservation 2
- Hydraulic engineering 2
- Landscape gardening 2
- Water resources development 2
- Water-supply 2
- Agricultural innovations 1
- Arid Regions agriculture 1
- Arid regions 1
- Color in gardening 1
- Conservation tillage 1
- Cropping systems 1
- Dictionaries 1
- Drought-tolerant plants 1
- Electric power consumption 1
- Electric power production 1
- Food service 1
- Government policy 1
- Hotels 1
- In-service training 1
- Irrigation 1
- Irrigation scheduling 1
- Management 1
- Motels 1
- Plants 1
- Pollution 1
- Shade trees 1
-
21
-
22
-
23
-
24
In-service training for soil and water conservation : report of the Workshop in Serdang, Malaysia, 11-15 December, 1989.
Julkaistu 1989Aiheet:Konferenssijulkaisu Kirja -
25
-
26
-
27
-
28
Farmers' practices and soil and water conservation programs /
Julkaistu 1991Aiheet:Konferenssijulkaisu Kirja
-
29
Shade and color with water-conserving plants /
Julkaistu 1992Aiheet: “…Landscape gardening Water conservation Southwest, New.…”
Kirja -
30