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...

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

development are often classified as brown Podzolic soils, also called Umbrisols or Umbrepts. Podzols cover about 4,850,000 square kilometres (1,870,000 sq mi)...

Nitisols. Aquults are typically Stagnosols or Planosols. Humults may be Umbrisols. Ultisols vary in color from purplish-red, to a bright reddish-orange...

topsoil, no secondary carbonates (unless very deep), high base status) UM Umbrisol (dark topsoil, low base status) Accumulation of moderately soluble salts...

pale leached horizon between the A and the B horizons. These are called Umbrisols in the WRB, and are particularly common in western Europe, covering large...

are associated with Luvisols as well as silty to clayey Cambisols and Umbrisols. They also occur in humid to perhumid subtropical regions, where they...

In the World Reference Base for Soil Resources, these soils are called Umbrisols, and the Soil Atlas of Europe shows a preponderance of this kind of soil...

Regarding pedology the dominant soil is leptosol (35.0%), luvisol (23.3%), umbrisol (30.5%), cambisol (7.5%) and regosol (3.0%). Regarding hydrology it is...

(soil) - Tillage - Topsoil - Tropical peat Umbric horizon - Ultisols - Umbrisols - Unified Soil Classification System - USDA soil taxonomy - Ustochrept...