The standard irrigation system evaluation protocol for Centre Pivot irrigators has been amended. The main change is the removal of the Circular Uniformity test. The updated protocol can be downloaded from: http://www.pagebloomer.co.nz/wp-content/uploads/2010/04/COP%204-7%20Centre%20Pivot.pdf The Circular Uniformity test was adopted on recommendation from the Irrigation Association publication, “Center Pivot Design” 2000, pp179 – 181. Our experience found … Continue reading Pivot Evaluation Protocol Amended