The iron and aluminium oxides collect in the 'B' horizon where the iron oxides can accumulate to form a thin layer of hardpan, which impedes drainage through the soil. Illuviation is the process ...

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 ...

Human activities affecting these processes can lead to carbon loss ... of the original carbon is retained in the soil through the formation of humus, a product that often gives carbon-rich soils ...

Scientists have discovered a new phylum of microbes in Earth's Critical Zone, an area of deep soil that restores water ...

The authors highlight the relevance of three major processes—transformation, translocation, and grazing on microorganisms—by which soil fauna alters factors deemed essential in the formation ...