These different tools are often explained and defended by technicians using a single technique, which makes comparisons complicated
Trade also tends to blur the tracks.
Here is the scientific opinion of Carole Isbérie, at the end of a career at Cemagref/Irstea studying these different irrigation management techniques, author of numerous articles, supervision of thesis, scientific publications and books.
This article by Fleur Martin, in IRRIGAZETTE May/June 2018.