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  1. Irrigation | Definition, History, Systems, & Facts | Britannica

    Some land requires irrigation before it is possible to use it for any agricultural production. In other places, irrigation is primarily a means to supplement rainfall and serves to increase production. Some land, …

  2. Irrigation - Wikipedia

    Irrigation is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns. Irrigation has been a key aspect of agriculture for over 5,000 years and has been …

  3. Irrigation Methods: A Quick Look | U.S. Geological Survey

    Jun 11, 2018 · Irrigation is the controlled application of water for agricultural purposes through manmade systems to supply water requirements not satisfied by rainfall. Crop irrigation is vital throughout the …

  4. Irrigation - National Geographic Society

    To irrigate is to water crops by bringing in water from pipes, canals, sprinklers, or other man-made means, rather than relying on rainfall alone. Places that have sparse or seasonal rainfall could not …

  5. IRRIGATION Definition & Meaning - Merriam-Webster

    The meaning of IRRIGATION is the watering of land by artificial means to foster plant growth.

  6. How Irrigation Works - HowStuffWorks

    ­Irrigation helps take care of one of these needs by providing water. While the basic concept of irrigation is a simple one, there are many fascinating and remarkable systems in use today.

  7. Homeowner’s Guide To Irrigation Systems - The Family Handyman

    Sep 26, 2025 · At least eight types of irrigation systems exist, but some are only for large-scale farming operations. The ones of most interest to homeowners and small-scale gardeners include: Surface …