[NAFEX] Greensand equals Manganese toxicity

Ernest Plutko ernestplutko at wiktel.com
Wed Jun 24 23:45:52 EDT 2009

Manganese is a heavy metal and poisonous.  Be careful adding heavy
metals to your soils.  

---- Original Message ----
From: holycow at frontiernet.net
To: nafex at lists.ibiblio.org
Subject: Re: [NAFEX] Greensand equals Manganese toxicity
Date: Wed, 24 Jun 2009 21:45:35 -0500

>    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

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