Posted 12/12/2009 07:24 (#962000 - in reply to #961990) Subject: RE: 28%, NH3 and Lime.
You were told correctly. But, that wasn't his question.
NH3 is an acidifying fertilizer, but that really doesn't have much to do with the pH of the NH3. The change in soil pH has more to do with the free Hydrogen ion that is released when ammonium is formed in the presence of water.