Posted 6/30/2024 09:05 (#10793033 - in reply to #10792811) Subject: RE: Center pivot fertigation
Medicine Mound,TX
You need to run a water test or a jar test. If you have free calcium in your water it will make calcium phosphate and plug all your tips. You can run phosphoric acid based fertilizers, but they are cost prohibitive if you need a lot of P.