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Soil science

That science dealing with soils as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils per se; and these properties in relation to the use and management of soils.

Contributors in Soil science

Soil science

Cemented

Earth science; Soil science

Having a hard, brittle consistency because the particles are held together by cementing substances such as humus, CaCO3, or the oxides of silicon, iron, and aluminum. The hardness and brittleness ...

Obsidian

Earth science; Soil science

An igneous rock that is made of shiny black glass. Obsidian forms from lava that cools very quickly.

Sand

Earth science; Soil science

Small grains or particles of broken down rock. Sand is coarser than silt and finer than gravel.

Silt

Earth science; Soil science

Small grains or particles of broken down rock. Silt particles are smaller than grains of sand but larger than the particles in clay.

Hemisphere

Earth science; Soil science

One half of a sphere. Either of the halves of the Earth, as divided by the equator or a meridian.

Striation

Earth science; Soil science

One of a number of parallel lines or grooves on the surface of a rock. Striations are formed when a glacier moves over a rock.

Swamp

Earth science; Soil science

Swamp is an area which is flooded or drenched with water and related to plunge or cause to sink.

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