Bilaketaren emaitzak - ((soil conservation) OR (soil (conservation OR consultation)))
Proposatutako topikoa bilaketarako iradokizunak
Proposatutako topikoa bilaketarako iradokizunak
- Soil conservation 86
- Soil erosion 26
- Soils 14
- Water conservation 14
- Land use 11
- Soil management 9
- Sustainable agriculture 7
- Land use, Rural 6
- Soil degradation 6
- Soil fertility 6
- Soil science 6
- Agricultural conservation 5
- Agriculture 5
- Planning 5
- Research 5
- Government policy 4
- Organic fertilizers 4
- Plants 4
- Watershed management 4
- Agricultural ecology 3
- Agricultural engineering 3
- Agricultural systems 3
- Analysis 3
- Classification 3
- Conservation tillage 3
- Environmental aspects 3
- Fertilizers 3
- Handbooks, manuals, etc 3
- Hydraulic engineering 3
- Management 3
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1
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2
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3
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4
Soil conservation and management in developing countries : report of an expert consultation held in Rome, 22-26 November 1976.
Argitaratua 1977Gaiak: “...Soil conservation Developing countries....”
Liburua
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5
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6
Conserving soil resources : European perspectives : selected papers from the First International Congress of the European Society for Soil Conservation /
Argitaratua 1994Gaiak: “...Soil conservation Europe....”
Conference Proceeding Liburua -
7
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8
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9
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10
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11
Soil conservation in the Pacific : a symposium and a panel discussion /
Argitaratua 1963Gaiak: “...Soil conservation Pacific Area....”
Conference Proceeding Liburua -
12
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13
Soil management for the conservation of soil nitrogen /
Argitaratua 1991Gaiak: “...Soil conservation....”
Liburua -
14
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15
The Philippines recommends for soil conservation 1977.
Argitaratua 1977Gaiak: “...Soil conservation Philippines....”
Liburua -
16
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17
Soil and water conservation engineering /
Argitaratua 1993Gaiak: “...Soil conservation....”
Liburua -
18
Soil and water conservation engineering
Argitaratua 1981Gaiak: “...Soil conservation 641...”
Liburua -
19
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20