TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

DEPLETED SOIL [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2003-04-24

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Soil Science
  • Hydrology and Hydrography
DEF

A measure of the force of water retention in unsaturated soil.

CONT

Soil suction is equal to a force per unit area that must be exceeded by an externally applied suction to initiate water flow from the soil. Soil suction is expressed in pounds per square inch.

CONT

Tensiometers measure soil tension. This is also often referred to as soil suction or vacuum. Soil tension is a measure of how tightly water is held in the soil, and is measured in pressure units of centibars(cb) or kilopascals(kPa). These are equivalent units. One hundred centibars equal approximately 15 psi. Soil tension increases as moisture in the soil is depleted. This force also draws water out of the tensiometer through its porous tip, creating a vacuum inside the tensiometer. This negative pressure, or tension, is registered on the tensiometer vacuum gauge. The soil tension measured with tensiometers is an indirect indication of soil moisture content and can be used as an indicator of irrigation need.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Science du sol
  • Hydrologie et hydrographie
CONT

L'augmentation de la densité du sol diminue la conductivité hydraulique pour des succions inférieures à -30 kPa.

Spanish

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Record 2 1980-06-09

English

Subject field(s)
  • Soil Science
OBS

Soil that has lost most of its available nutrients.

French

Domaine(s)
  • Science du sol
OBS

Sol qui a perdu la plupart de ses éléments nutritifs assimilables.

Spanish

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Record 3 1977-02-17

English

Subject field(s)
  • Hydrology and Hydrography
  • Geology
OBS

[a procedure which] simply accounts for the moisture by taking into consideration the amounts of water added or depleted from the soil by precipitation, evapotranspiration, and percolation.

French

Domaine(s)
  • Hydrologie et hydrographie
  • Géologie
OBS

[procédé qui] tient simplement compte de l'humidité en ne considérant que les quantités d'eau ajoutées ou prélevées du sol par la précipitation, l'évapotranspiration et la percolation.

Spanish

Save record 3

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