Posted 1/16/2017 07:10 (#5771351 - in reply to #5771333) Subject: RE: True 2x2 or 3x3 planter mounted fertilizer openers
We switched to Aulari dry fertilizer coulters from single disc Deere. For the first time we had no problem placing the dry product 4.5" in the ground. We set them for 3X4.5" and are quite happy. Usually plant 2.5-2.75" deep.