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nafex - Re: [NAFEX] Manganese in Greensand

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  • From: "Ernest Plutko" <ernestplutko@wiktel.com>
  • To: nafex@lists.ibiblio.org
  • Subject: Re: [NAFEX] Manganese in Greensand
  • Date: Tue, 23 Jun 2009 11:23:55 -0500

Use manure or ground fish guts. Soil chemistry is complex.

---- Original Message ----
From: jimfruth@charter.net
To: nafex@lists.ibiblio.org
Subject: RE: [NAFEX] Manganese in Greensand
Date: Tue, 23 Jun 2009 09:56:03 -0500

>Mathew Waehner asked, "It seems that a lot of people use greensand
>without
>ill
>effects. Any documentation, beyond your own soil tests?"
>
> My information mainly comes from what my soils people tell me when
>I send
>in a soil sample from my raspberry beds. I've got raspberry plants
>that
>exhibit the chlorosis normally seen in plants that were sprayed with
>Round
>Up. Some time in the past, greensand was broadcast in that area. I
>normally would not expect manganese to be a problem until the pH
>drops below
>5 but some other, unknown, mechanism seems to be at play. Removing
>the
>spent canes away from that area is slowly lowering the incidence of
>toxicity.
> I'm glad you asked the question because, after checking online,
>it
>appears there are two compounds called "greensand", greensand and
>manganese
>greensand. The person who broadcast "greensand" here bought his
>product
>from a water filtration business, a company that uses manganese
>greensand.
>Checking my Handbook of Chemistry, I learned that the other greensand
>does
>not contain manganese. So it is me that was confused and if you
>hadn't
>asked the question, I'd still be confused.
>
>Jim Fruth
>Brambleberry Farm
>Pequot Lakes, MN 56472
>For jams, jellies, syrups and more:
>www.jellygal.com
>1-877-265-6856 (Toll Free)
>1-218-831-7018 (My Cell)
>
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