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

Biofertilizer

Earth science; Soil science

Mixture of selected beneficial microorganisms and/or other organic substances (i.e., growth hormones, vitamins, etc. ) for sustainable soil management and plant productivity.

Drain tile

Earth science; Soil science

Concrete, ceramic, plastic, or other rigid pipe or similar buried structure used to collect and conduct profile drain-water from the soil in a field.

Cambids

Earth science; Soil science

Aridisols that are not in cryic temperature regimes and do not have the following diagnostic subsurface horizons or features: argillic, salic, duripan, gypsic, petrogypsic, calcic, petrocalcic.

Acid precipitation

Earth science; Soil science

Atmospheric precipitation that is below pH 7 and is often composed of the hydrolyzed by-products from oxidised halogen, nitrogen, and sulphur substances.

Bacteroid

Earth science; Soil science

An altered form of bacterial cells. Refers particularly to the swollen, irregular vacuolated cells of Rhizobium and Bradyrhizobium in legume nodules.

Antibiotic

Earth science; Soil science

An organic substance produced by one organism that in low concentrations will kill or inhibit growth of other organisms.

Ion selective electrode

Earth science; Soil science

An electrochemical sensor, the potential of which (in conjunction with a suitable reference electrode) depends on the logarithm of the activity of a given ion in aqueous solution (e.g. pH, copper, ...