Posted 2/25/2007 20:43 (#111068 - in reply to #111043) Subject: RE: Corn on high ph soil?????????
Have some ground 7.6 - 7.8 continuos corn since sometime in the 1960s. It is very high in P from livestock manure but still had problems with P difficency. Sulfur seems to help, tried ammonium sulfate - expensive, and gypsum, both seemed to work.