Manganese is a heavy metal and poisonous. Be careful adding heavy
metals to your soils.
---- Original Message ----
From: holycow@frontiernet.net
To: nafex@lists.ibiblio.org
Subject: Re: [NAFEX] Greensand equals Manganese toxicity
Date: Wed, 24 Jun 2009 21:45:35 -0500
>Jim,
> I'm thrilled with the idea of something with a lot of manganese
>in it. That's one of the deficiencies that shows up here, yellow
>stripes in the corn that do NOT respond to adding Mg, but do respond
>to adding sulfur. (The sulfur lowers pH enough for Mn to be
>available.) Maybe you have too much Mn already where you are. Don
>na