Originally Posted by FIMCO-MEISTER
It will certainly give you reason to keep your doubts. It covers several manufacturers controllers and the results are spotty.
Let me pull a quote out of that unreferenced copy and paste you just did.
Factors that could have caused over/under irrigation of landscapes are improper ETo calculations and insufficient accounting for rainfall.
Are these the only
factors that could have caused these issues. I suppose how the controller was programmed couldn't also have caused the very same results?