participates_in participates in center-pivot irrigation process center pivot irrigation machine Form of overhead sprinkler irrigation consisting of several segments of pipe joined together and supported by trusses, mounted on wheeled towers with sprinklers positioned along its length. The machine moves in a circular pattern and is fed with water from the pivot point at the center of the circle. central pivot irrigation machine circle irrigation machine https://orcid.org/0000-0001-6284-4821 waterwheel irrigation machine irrigation equipment