Nitisol in the context of Inceptisols

Nitisol in the context of Inceptisols

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⭐ Core Definition: Nitisol

Nitisol, in the World Reference Base for Soil Resources (WRB), is a deep, red, well-drained soil with a clay content of at least 30% and a polyhedral structure or a blocky structure, breaking into a polyhedral or a flat-edged structure. The soil aggregates show pressure faces. Nitisols correlate with the kandic alfisols, ultisols and inceptisols of the USDA soil taxonomy.

These soils are found in the tropics and subtropics; there are extensive areas of them in the tropical highlands of Ethiopia, Kenya, Democratic Republic of the Congo and Cameroon. Nitisols form from fine-textured material weathered from intermediate to basic parent rock and kaolinite, halloysite and iron oxides dominate their clay mineralogy.

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👉 Nitisol in the context of Inceptisols

Inceptisols are a soil order in USDA soil taxonomy. They form quickly through alteration of parent material. They are more developed than Entisols. They have no accumulation of clays, iron oxide, aluminium oxide or organic matter. They have an ochric or umbric horizon and a cambic subsurface horizon.

In the World Reference Base for Soil Resources (WRB), most Inceptisols are Cambisols or Umbrisols. Some may be Nitisols. Many Aquepts belong to Gleysols and Stagnosols.

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In this Dossier
LINKED FROM (PARENTS)
← Inceptisols
LINKS TO (CHILDREN)
World Reference Base for Soil Resources → Soil → Soil texture → Soil structure → Soil horizon → Alfisols → Ultisols → Inceptisols → USDA soil taxonomy → Ethiopia → Kenya → Democratic Republic of the Congo → Cameroon → Basic rock → Kaolinite → Halloysite → Iron oxide →