Subsoil is the layer of soil under the topsoil on the surface of the ground. Like topsoil, it is composed of a variable mixture of small particles such...

A subsoiler or flat lifter is a tractor-mounted farm implement used for deep tillage, loosening and breaking up soil at depths below the levels worked...

Gypsisols in the World Reference Base for Soil Resources (WRB) are soils with substantial secondary accumulation of gypsum (CaSO4.2H2O). They are found...

19th century. Making rammed earth involves compacting a damp mixture of subsoil that has suitable proportions of sand, gravel, clay, silt, and stabilizer...

Weapons of Mass Destruction on the Sea-Bed and the Ocean Floor and in the Subsoil thereof) is a multilateral agreement between the United States, Soviet...

building material made from subsoil, water, fibrous organic material (typically straw), and sometimes lime. The contents of subsoil vary, and if it does not...

excessively drained. Others have shallow rooting zones and poor drainage due to subsoil cementation. A low pH further compounds issues, along with phosphate deficiencies...

"Subsoil" is a short story by American writer Nicholson Baker, which first appeared in The New Yorker periodical on June 27, 1994. The story is about...

investor, former head of the State Geologic and Subsoil Survey of Ukraine, and expert in the field of subsoil use. Dmytro Kashchuk was born May 4, 1983, in...

demands on climatic conditions, special caterpillar food plants, geological subsoil or the like it is a typical species of almost any Hochstaudenflur (plant...

East–West Interconnector is a 500 MW high-voltage direct current submarine and subsoil power cable from 2012 which connects the Irish and British electricity...

grave crime of armed trespass. Aside from the surface, land includes the subsoil, airspace and anything permanently attached to the land, such as houses...

biodiversity can be extremely high. Moorland is also related to tundra (where the subsoil is permafrost or permanently frozen soil),[dubious – discuss] appearing...

T.; Renuka, G. (2002). "Temperature mapping, thermal diffusivity and subsoil heat flux at Kariavattom, Kerala". Proc Indian Acad Sci (Earth Planet Sci)...

characteristic of Aridisols. Also required is sufficient age to exhibit subsoil weathering and development. Limited leaching in aridisols often results...

above sea level on hills east of the Nene valley. The soil is clay over subsoil and is on the old Wellingborough to London road. Summer Leys Local Nature...

The mineral soil usually starts with an A horizon. If a well-developed subsoil horizon as a result of soil formation exists, it is generally called a...

features Topography Vegetation Terrain Topsoil Water table Bedrock Subgrade Subsoil Earthworks Shoring structures Retaining walls Gabion Ground freezing Mechanically...

The dispersive portion of a soil profile is generally confined to the subsoil, where soil-forming processes concentrate clay minerals and sodium. This...

periodic water stagnation and abruptly overlies a dense, slowly permeable subsoil with significantly more clay than the surface horizon. In the US Soil Classification...

horizons. Most soils have three major horizons: the surface horizon (A), the subsoil (B), and the substratum (C). Some soils have an organic horizon (O) on...

subsoil root development; subsoil compaction and subsoil acidity prevent root penetration in many subsoils worldwide, promoting build-up of subsoil nitrate...

Claypan is a dense, compact, slowly permeable layer in the subsoil. It has a much higher clay content than the overlying material, from which it is separated...

The State Geologic and Subsoil Survey of Ukraine or Ukrainian Geological Survey (UGS), is the national upstream regulator that issues exploration and...

eluviation and illuviation of soil minerals within the surface soil and subsoil layers (the solum). These processes contribute to the formation of eluvial...

increase the harvest, which is counter productive. A trench is dug and subsoil from a depth of 4 feet, from a paddy field is scooped up using earth mover...

water. Stagnosols are periodically wet and mottled in the topsoil and subsoil, with or without concretions and/or bleaching. The topsoil can also be...

of the nation through research in basic and applied geosciences of the subsoil, the potential of its resources, evaluating and monitoring threats of geological...

can benefit during the growing season (when there is less rain) from the subsoil water reserve gathered during the rainy season. Immediate advantages are...

in the soil, and can be acidic. Horizon B (Upper Subsoil)- Brown sandy clay loam: The upper subsoil is much like the topsoil and has few roots, can be...