There are three main British soils; podzol, brown earth and gley. Podzols are easily recognisable by their distinct layers or horizons. A grey or light-coloured 'E' horizon is the result of severe ...

The world's oldest soils are found in Africa and Australia and date back more than 50 million years. These soils are highly weathered and are in regions we now classify as deserts. According to the ...

The Indiana State Science Standards mandates me to teach the seventh-graders so they can “describe physical and chemical characteristics of soil layers and how they are influenced by the process of ...

Gley soils represent the most extensive soil cover in Scotland. These soils are found on gentler slopes or in areas of high rainfall where the water does not drain away readily. All the glacial tills ...