Hakutulokset - "Soil classification."
Aihe-ehdotuksia
Aihe-ehdotuksia
- Soils 25
- Classification 24
- Soil science 8
- Soil formation 6
- Soil-surveys 3
- Agriculture 2
- Composition 2
- Planning 2
- Research 2
- Soil surveys 2
- Analysis 1
- Arid regions agriculture 1
- Clay soils 1
- Communication in soil science 1
- Dry farming 1
- Equipment and supplies 1
- Evaluation 1
- Fertilizers 1
- Fuelwood 1
- Gypsum 1
- Gypsum content 1
- Irrigation farming 1
- Laboratory manuals 1
- Land capability for agriculture 1
- Land use 1
- Land use, Rural 1
- Management 1
- Organic fertilizers 1
- Peat soil 1
- Plant indicators 1
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21
Proceedings of the South Pacific regional forum on soil taxonomy Suva Fiji, 2-13 Nov,1981 /
Julkaistu 1982Aiheet: “…Soils Classification.…”
Konferenssijulkaisu Kirja -
22
A modified procedure for the more rapid determination of the clay content (<2um) of soils /
Julkaistu 1977Aiheet:Kirja
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23
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24
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25