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

Yield goal

Earth science; Soil science

The yield that a producer expects to achieve, based on overall management imposed and past production records.

Yield

Earth science; Soil science

The amount of a specified substance produced (e.g., grain, straw, total dry matter) per unit area.

Unsaturated flow

Earth science; Soil science

The movement of water in soil in which the pores are not filled to capacity with water.

Soil test critical concentration

Earth science; Soil science

The concentration of an extractable nutrient above which a crop response to added nutrient would not be expected.

Soil series

Earth science; Soil science

The lowest category of U. S. system of soil taxonomy; a conceptualised class of soil bodies (polypedons) that have limits and ranges more restrictive than all higher taxa. Soil series are commonly ...

Nutrient antagonism

Earth science; Soil science

The depressing effect caused by one or more plant nutrients on the uptake and availability of another nutrient in the plant.

Soil aeration

Earth science; Soil science

The process by which air in the soil is replaced by air from the atmosphere. In a well-aerated soil, the soil air is very similar in composition to the atmosphere above the soil. Poorly aerated ...