What is another word for surface soil?
Pronunciation: [sˈɜːfɪs sˈɔ͡ɪl] (IPA) 
Surface soil is a commonly used term to describe the top layer of soil in a particular area. However, there are various other terms that are used as synonyms for surface soil. These include topsoil, soil horizon, till, top layer, and top crust. Topsoil is the uppermost layer of soil where most of the organic matter and soil nutrients are present. Soil horizon refers to the distinct layers of soil that are formed from various geological and biological processes. Till is the unconsolidated glacial material that is deposited on the land surface by the melting of glaciers. The terms top layer and top crust refer to the uppermost layer of soil, which is exposed to the atmosphere and environmental factors.
