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Field capacity

The amount of water remaining in a field soil that has been thoroughly wetted and drained until free drainage has practically ceased. The soil can no longer absorb additional moisture.

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Related terms

field capacity
Environment; Environmental conservation

The maximum amount of water that the unsaturated zone of a soil can hold against the pull of gravity. The field capacity is dependent on the length of time the soil has been ...

field capacity
Earth science; Soil science

The content of water, on a mass or volume basis, remaining in a soil 2 or 3 days after having been wetted with water and after free drainage is negligible.

field capacity
Geography; Physical geography

Water in the soil once gravitational water has fully drained out i.e. Capillary and hygroscopic water.

field capacity
Agriculture; Rice science

The amount of water remaining in a field soil that has been thoroughly wetted and drained until free drainage has practically ceased. The soil can no longer absorb additional ...

field capacity
Weather; Meteorology

The amount of water left in the soil after it has been saturated and allowed to drain by gravity for 24 hours. See also detention storage, gravitational water, retention storage.

field capacity
Engineering; Civil engineering

Depth of water retained in the soil after ample irrigation or heavy rain when the rate of downward movement has substantially decreased, usually one to three days after irrigation ...

watershed
Agriculture; Rice science

The total area from which a single river collects surface water runoff; the catchment or drainage area of a river system.

watershed degradation
Agriculture; Rice science

A marked deterioration in the hydrological behavior of a river system which reduces the potential of land and water by causing a water flow of inferior quality, quantity and ...

waterlogging
Agriculture; Rice science

Impeded drainage; or soil saturated with water but not necessarily with standing water.

waterlogged field
Agriculture; Rice science

A field which continuously has standing water and cannot be drained. The water level may not be deep.

water use efficiency
Agriculture; Rice science

1). Expressed in terms of dry matter or harvested portion of the crop produced per unit of water consumed. 2). Ratio of the water used for evapotranspiration, seepage, and ...

water table
Agriculture; Rice science

The upper surface of ground water and the level below it where the soil is saturated with water.

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