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- Umbrisols abstract "In soil classification, an umbrisol is a soil with a dark topsoil and in which organic matter has accumulated within the mineral surface soil—in most cases with low base saturation—to the extent that it significantly affects the behaviour and utilization of the soil. Umbrisols are the counterpart of comparable soils with a high base saturation (Chernozems, Kastanozems and Phaeozems). Umbrisols develop in weathering material of siliceous rock.[citation needed] They are found in mostly cool humid climates in mountainous regions with little or no moisture deficit, including tropical and subtropical mountains.Many Umbrisols are under a natural or near-natural vegetation cover. Umbrisols above the actual tree line in the Andean, Himalayan and Central Asian mountain ranges; the are at lower altitudes in northern and western Europe where the former forest vegetation has been largely cleared, carry a vegetation of short grasses of low nutritional value. Coniferous forest predominates in Brazil (and in the United States. Umbrisols in tropical mountain areas in South Asia and Oceania are under montane evergreen forest. In the mountains of southern Mexico, the vegetation varies from tropical semi-deciduous forest to much cooler montane cloud forest.The predominance of sloping land and wet and cool climate conditions restricts utilization of many Umbrisols to extensive grazing. Management focuses on the introduction of improved grasses and correction of the soil pH by liming. Many Umbrisols are susceptible to erosion. The planting of perennial crops and bench or contour terracing offer possibilities for permanent agriculture on gentler slopes. Where conditions are suitable, cash crops may be grown, e.g. cereals and root crops in the USA, Europe and South America, or tea and cinchona in Indonesia. Highland coffee on Umbrisols demands high management inputs to meet its stringent nutrient requirements. In New Zealand, Umbrisols have been transformed into highly productive soils, used for intensive sheep and dairy farming, and production of cash crops.".
- Umbrisols thumbnail Umbrisol.jpg?width=300.
- Umbrisols wikiPageID "2198929".
- Umbrisols wikiPageRevisionID "562843292".
- Umbrisols classificationSystem World_Reference_Base_for_Soil_Resources.
- Umbrisols climate "Oceanic, other".
- Umbrisols code "UM".
- Umbrisols hasPhotoCollection Umbrisols.
- Umbrisols imageCaption "a Umbrisol profile".
- Umbrisols imageSize "200".
- Umbrisols name "Umbrisol".
- Umbrisols parentMaterial "Weathered silicic rock".
- Umbrisols profile "AC".
- Umbrisols subject Category:Pedology.
- Umbrisols subject Category:Types_of_soil.
- Umbrisols type Abstraction100002137.
- Umbrisols type Attribute100024264.
- Umbrisols type Condition113920835.
- Umbrisols type Dirt114498096.
- Umbrisols type Dirtiness114497763.
- Umbrisols type SanitaryCondition114494716.
- Umbrisols type State100024720.
- Umbrisols comment "In soil classification, an umbrisol is a soil with a dark topsoil and in which organic matter has accumulated within the mineral surface soil—in most cases with low base saturation—to the extent that it significantly affects the behaviour and utilization of the soil. Umbrisols are the counterpart of comparable soils with a high base saturation (Chernozems, Kastanozems and Phaeozems).".
- Umbrisols label "Umbrisol".
- Umbrisols label "Umbrisols".
- Umbrisols sameAs Umbrisol.
- Umbrisols sameAs m.06v9yc.
- Umbrisols sameAs Q2238717.
- Umbrisols sameAs Q2238717.
- Umbrisols sameAs Umbrisols.
- Umbrisols wasDerivedFrom Umbrisols?oldid=562843292.
- Umbrisols depiction Umbrisol.jpg.
- Umbrisols isPrimaryTopicOf Umbrisols.