Deutsch: Bewässerung / Español: Riego / Português: Irrigação / Français: Irrigation / Italiano: Irrigazione /

An Irrigation is Supplying water to grass, trees, and other plants.

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Other /More definition:
An irrigation is the controlled application of water for agricultural purposes through manmade systems to supply water requirements not satisfied by rainfall. Here's a quick look at some types of irrigation systems.