Ngā hua rapu - (((("soil consultation") OR ("soil conservation"))) OR ("soil construction"))*
Ngā kaupapa kua whakahuatia i roto i tō rapu.
Ngā kaupapa kua whakahuatia i roto i tō rapu.
- Soil conservation 92
- Soil erosion 25
- Water conservation 11
- Soils 10
- Soil management 9
- Soil fertility 7
- Land use, Rural 6
- Soil science 6
- Sustainable agriculture 6
- Agricultural conservation 5
- Land use 5
- Research 5
- Soil degradation 5
- Agriculture 4
- Government policy 4
- Agricultural ecology 3
- Agricultural engineering 3
- Agricultural systems 3
- Agroforestry 3
- Conservation tillage 3
- Handbooks, manuals, etc 3
- Hydraulic engineering 3
- Management 3
- Organic fertilizers 3
- Planning 3
- Watershed management 3
- Analysis 2
- Classification 2
- Congresses 2
- Crops and soils 2
Rapu kōwhiringa:
- "soil construction" »
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Soil conservation in the Pacific : a symposium and a panel discussion /
I whakaputaina 1963Ngā marau: “…Soil conservation Pacific Area.…”
Conference Proceeding Pukapuka -
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8
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9
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10
The Philippines recommends for soil conservation 1977.
I whakaputaina 1977Ngā marau: “…Soil conservation Philippines.…”
Pukapuka -
11
Approved practices in soil conservation
I whakaputaina 1982Ngā marau: “…Soil conservation…”
Pukapuka -
12
1986 Soil Conservation Conference, Macquarie University, 16th, 17th July.
Conference Proceeding Pukapuka -
13
Compilation of papers : Soils Workshop for Agronomists, Horticulturalists and Soil Conservationists, 4-5 May, 1988, Alstonville.
I whakaputaina 1988Ngā marau: “…Soil conservation.…”
Conference Proceeding Pukapuka -
14
Soil conservation for small farmers in the humid tropics /
I whakaputaina 1989Ngā marau: “…Soil conservation.…”
Pukapuka -
15
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Soil conservation and management in developing countries : report of an expert consultation held in Rome, 22-26 November 1976.
I whakaputaina 1977Ngā marau: “…Soil conservation Developing countries.…”
Pukapuka -
17
Farming systems development and soil conservation /
I whakaputaina 1994Ngā marau: “…Soil conservation.…”
Pukapuka -
18
Soil conservation and management in the humid tropics /
I whakaputaina 1977Ngā marau: “…Soil conservation Tropics.…”
Pukapuka -
19
Soil conservation and sustainable land use : an economic approach /
I whakaputaina 1993Ngā marau:Pukapuka -
20
A basis for soil conservation policy in Australia : Commonwealth and state government collaborative soil conservation study 1975-77, report 1 /
I whakaputaina 1978Ngā marau: “…Soil conservation Australia.…”
Pukapuka