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  2. Matched precipitation rate - Wikipedia

    en.wikipedia.org/wiki/Matched_precipitation_rate

    In order to be "matched" all sprinkler heads in a given zone must have the same rate of precipitation. This can be achieved by matching the gallonage of a standard rotor to its arc and reducing range accordingly (i.e. 2 gallons at 90 degrees, 4 gallons at 180 degrees, or 8 gallons if the head does a full circle) or by using MPR nozzles or ...

  3. Impact sprinkler - Wikipedia

    en.wikipedia.org/wiki/Impact_sprinkler

    An impact sprinkler (sometimes called an impulse sprinkler) is a type of irrigation sprinkler in which the sprinkler head, driven in a circular motion by the force of the outgoing water, pivots on a bearing on top of its threaded attachment nut. Invented in 1933 by Orton Englehart, it quickly found widespread use.

  4. Rain Bird - Wikipedia

    en.wikipedia.org/wiki/Rain_Bird

    The Rain Bird horizontal action impact-drive sprinkler head was recognized as a historic landmark of agricultural engineering in 1990 by the American Society of Agricultural and Biological Engineers. [3] This invention led to sprinkler irrigation development that currently exceeds 50,000,000 acres (78,000 sq mi; 200,000 km 2) worldwide.

  5. Irrigation controller - Wikipedia

    en.wikipedia.org/wiki/Irrigation_controller

    For example, the typical professional controller will calculate the actual flow rate running in the system when a specific zone is operated, compare this to a pre-configured required amount, and adjust the irrigation process if deviation from the zone's flow rate is detected; This mechanism is called "Flow monitoring", and can prevent ...

  6. 'Night-Grazing' Is the Persian Tradition That Keeps Food ...

    www.aol.com/night-grazing-persian-tradition...

    Yalda Night, or Shab-e Yalda (also spelled Shabe Yalda), marks the longest night of the year in Iran and in many other Central Asian and Middle Eastern countries. On the winter solstice, in a ...

  7. 6 ways to prevent holiday illness: Ask a doctor

    www.aol.com/6-ways-prevent-holiday-illness...

    Jesus Lizarzaburu, MD, a family physician with TPMG Grafton Family Medicine in Yorktown, Virginia, also recommends taking vitamin C a few weeks before the holiday season starts to help prevent ...

  8. Here Are Two Major Social Security Changes Retirees Need to ...

    www.aol.com/finance/two-major-social-security...

    All current recipients will receive a boost to their monthly benefit thanks to the Social Security cost-of-living adjustment (COLA). ... there are two major changes to be aware of as we head into ...

  9. Irrigation sprinkler - Wikipedia

    en.wikipedia.org/wiki/Irrigation_sprinkler

    An impact sprinkler head in action Sprinklers spraying water to irrigate vine plants in a vineyard. An irrigation sprinkler (also known as a water sprinkler or simply a sprinkler) is a device used to irrigate (water) agricultural crops, lawns, landscapes, golf courses, and other areas. They are also used for cooling and for the control of ...

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