Irrigation

Irrigation

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

Industry: Agriculture

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Irrigation

non-point-source pollution

Agriculture; Irrigation

Small amounts of pollution coming from large areas (fields) without a well-defined source.

net irrigation requirement

Agriculture; Irrigation

This is the crop’s irrigation need without including losses of any kind expressed as a layer of water in millimetres per day, month or other period of time.

nozzle

Agriculture; Irrigation

Final orifice through which water passes from the sprinkler to the atmosphere. Sprinkler flow rate is largely determined by the nozzle size (orifice diameter) and pressure.

operating pressure

Agriculture; Irrigation

Average pressure at sprinkler heads.

open channel drainage

Agriculture; Irrigation

Drainage accomplished by open channels or ditches.

operation of a canal with constant volume

Agriculture; Irrigation

Method of operation aimed at maintaining constant, under all conditions of steady flow, the volume of a canal reach situated between two gates.

operation of a canal with volume control

Agriculture; Irrigation

Method of maintaining a canal water volume at situated state between two gates which takes into account inflows and withdrawals that change over time.