Method and apparatus for variable application of irrigation water and chemicals

  • US 5,246,164 A
  • Filed: 12/16/1991
  • Issued: 09/21/1993
  • Est. Priority Date: 12/16/1991
  • Status: Expired due to Term
First Claim
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1. An apparatus for variable application of irrigation water to a plurality of zones within a field of ground to be irrigated which comprises:

  • a plurality of independently operable sprinkler assemblies oriented in a fixed array relative to each other, with each of said sprinkler assemblies being operable to distribute an adjustable amount of water over a zone of ground;

    means for delivering water to each of the sprinkler assemblies in the fixed array;

    means for moving the fixed array of sprinkler assemblies over the ground; and

    control means operatively connected to the plurality of sprinkler assemblies and the means for moving the fixed array, for controlling the distribution of water over the zones of ground and variably adjusting the amount of water applied within the zones, said control means including;

    (a) ground mapping means for inputting information concerning irrigation requirements for a plurality of zones within the ground to be irrigated;

    (b) sprinkler assembly locator means for identifying the zonal position of each of the sprinkler assemblies in the fixed array as the fixed array is moved across the ground; and

    (c) means responsive to the ground mapping means and the sprinkler assembly locating means, for adjusting the amount of water distributed from each of the sprinkler assemblies as they distribute water over zones of ground.

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