Eluviation is the removal of soil, clay, silt or fine organic matter in suspension from a soil horizon. The iron and aluminium oxides collect in the 'B' horizon where the iron oxides can ...

The mineral component of soil is made up of clay, silt, and sand particles. The relative amounts of these materials are what we use to describe the texture of a soil or soil type. The best way to ...

When European-American settlers first began ploughing in Iowa, they found the weather and local geology had combined this organic mulch with sand and silt to form a nutrient-rich type of soil ...

Soils are the foundation of gardens and landscapes, featuring characteristics that vary among locations in Wisconsin. Success ...

The relative ability of soils to store one particular group of nutrients, the cations, is referred to as cation exchange capacity or CEC. Soils are composed of a mixture of sand, silt, clay and ...