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

Aaaaa-dipyridyl

Earth science; Soil science

A dye that when dissolved in 1N ammonium acetate is used to detect the presence of reduced iron (Fe II) in the soil. A positive reaction indicates the soil is reduced.

Micropore

Earth science; Soil science

A class of pores that are sufficiently small that water within these pores is considered immobile, but available for plant extraction, and solute transport is by diffusion only.

Labradorite

Earth science; Soil science

A plagioclase feldspar containing 30-50% albite and 50-70% anorthite.

Sierozem

Earth science; Soil science

A zonal great soil group consisting of soils with pale greyish A horizons grading into calcareous material at a depth of 1 foot or less, and formed in temperate to cool, arid climates under a ...

Salt flats

Earth science; Soil science

In Soil Survey a map unit that is a miscellaneous area, composed of undrained flats in arid regions that have surface deposits of secondary salt overlying stratified and strongly saline sediment.