Soil science

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.

Industry: Earth science

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Soil science

petrified

Earth science; Soil science

Changed into minerals and hardened into rock. Plant and animal parts, such as wood and bone, become petrified when water gets into them.

plain

Earth science; Soil science

A large area of flat land with few trees. A broad, flat area of the sea floor or on the surface of the Moon.

pyrite

Earth science; Soil science

A silver or yellow mineral made of iron and sulfur. Because it is shiny, pyrite is often confused for gold.

sand

Earth science; Soil science

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

climosequence

Earth science; Soil science

A group of related soils that differ, one from another, primarily as a result of differences in climate as a soil-forming factor.

chlorite

Earth science; Soil science

A group of layer silicate minerals of the 2:1 type that has the interlayer filled with a positively charged metal-hydroxide octahedral sheet. There are both trioctahedral (e.g., M = Fe(II), ...

dirichlet condition

Earth science; Soil science

A boundary condition where a value for the variable of interest at each point in space and given a set of input values, a unique output can be determined.