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nafex - Re: [NAFEX] Greensand equals Manganese toxicity

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  • From: "Ernest Plutko" <ernestplutko@wiktel.com>
  • To: nafex@lists.ibiblio.org
  • Subject: Re: [NAFEX] Greensand equals Manganese toxicity
  • Date: Wed, 24 Jun 2009 22:45:52 -0500

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






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