Irrigation

Irrigation

Terms related to the science of artificial application of water to the land or soil.

Industry: Agriculture

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Irrigation

Crop coefficient

Agriculture; Irrigation

A number that is multiplied by the potential evapotranspiration to obtain the actual crop or plant evapotranspiration. They are crop dependent numbers and change over time with the crop's growth ...

Deep percolation (DP)

Agriculture; Irrigation

Water, or the volume of water, that drains vertically through the bottom of the crop root zone such that it is lost with respect to potential crop use.

Crown flooding

Agriculture; Irrigation

A field with raised beds is flooded up to near the bed crowns. The water is held for a period of time to allow for infiltration before it is allowed to drain.

Deficit irrigation

Agriculture; Irrigation

Not completely refilling the soil profile to field capacity. Not giving the plants all of the water that they can use. This may be deliberate, or inadvertent.

Capacity of a well

Agriculture; Irrigation

The rate at which a well will yield water, in litres per second or cubic metres per second.

Process of determining when to irrigate and how much. This can be done by monitoring the soil, the crop, or calculating water use (evapotranspiration). The goal is to schedule irrigation timing and ...