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  2. Center-pivot irrigation - Wikipedia

    en.wikipedia.org/wiki/Center-pivot_irrigation

    A satellite image of circular fields characteristic of center pivot irrigation, Kansas Farmland with circular pivot irrigation. Center-pivot irrigation (sometimes called central pivot irrigation), also called water-wheel and circle irrigation, is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers.

  3. Rainfall simulator - Wikipedia

    en.wikipedia.org/wiki/Rainfall_simulator

    Drop generators convert a flow of water to simulated rainfall drops. Two types of drop generators exist. The first type is a gravity-fed unpressurized feed system such as a perforated pipe, hanging yarns, or an array of syringe needles which form drops. The second type is a pressurized feed system connected to a nozzle. Drop generator height is ...

  4. Irrigation - Wikipedia

    en.wikipedia.org/wiki/Irrigation

    A small center pivot system from beginning to end Rotator style pivot applicator sprinkler Center pivot with drop sprinklers Wheel line irrigation system in Idaho, US, 2001 Center pivot irrigation. Center pivot irrigation is a form of sprinkler irrigation utilising several segments of pipe (usually galvanized steel or aluminium) joined and ...

  5. Irrigation sprinkler - Wikipedia

    en.wikipedia.org/wiki/Irrigation_sprinkler

    Center-pivot irrigation was invented in 1940 [3] by farmer Frank Zybach, who lived in Strasburg, Colorado. In the 1950s, Stout-Wyss Irrigation System, a firm based in Portland, Oregon, developed a rolling pipe type irrigation system for farms that has become the most popular type for farmers irrigating large fields.

  6. Irrigation in Saudi Arabia - Wikipedia

    en.wikipedia.org/wiki/Irrigation_in_Saudi_Arabia

    Center pivot irrigation in Saudi Arabia is typical of many isolated irrigation projects scattered throughout the arid and hyper-arid regions of the Earth. Nonrenewable fossil water is mined from depths as great as 1 km (3,000 ft), pumped to the surface, and distributed via large center pivot irrigation feeds.

  7. List of free geology software - Wikipedia

    en.wikipedia.org/wiki/List_of_free_geology_software

    This is a list of free and open-source software for geological data handling and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functionality. Notice that 'free and open-source' requires that the source code is available and users are given a free software license.

  8. Keyline design - Wikipedia

    en.wikipedia.org/wiki/Keyline_design

    Keyline design is a system of principles and techniques of developing rural and urban landscapes to optimize use of their water resources. Australian farmer and engineer P. A. Yeomans invented and developed Keyline design in his books The Keyline Plan , The Challenge of Landscape , Water For Every Farm , and The City Forest .

  9. Portal:Agriculture - Wikipedia

    en.wikipedia.org/wiki/Portal:Agriculture

    Modern agriculture: a center pivot irrigation system on a field. Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to live in ...