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  • From: "Peg Cook" <pegcook AT northnet.org>
  • To: "market farming" <market-farming AT franklin.oit.unc.edu>
  • Subject: Re: Lowering PH Naturally
  • Date: Fri, 10 Mar 2000 16:18:40 -0500


Lawerence,
Keep in mind that Rock Phosphate always needs some type of acid to break
down the P for plant use. It can be sulfuric acid or it can be Organic
Matter producing acids as it decomposes. In any case, an acid needs to be
used.

Peg Cook
Cook's Consulting

pegcook AT northnet.org

----- Original Message -----
From: Lawrence F. London, Jr. <lflondon AT mindspring.com>
Newsgroups: market-farming
To: market farming <market-farming AT franklin.oit.unc.edu>
Sent: Friday, March 10, 2000 1:04 PM
Subject: Re: Lowering PH Naturally


> On Fri, 10 Mar 2000 11:34:06 -0500, Brian Caldwell <bac11 AT cornell.edu>
> wrote:
>
>
> >If you must do it, sulfur dust is the cheapest, simplest, and probably
> >least destructive material to reduce soil pH.
>
> As I understand it, if you are also applying rock phosphate, adding
> sulphur will help it break doan and release plant available
> phosphorous. Someone once suggested banding RP + sulphur at shallow
> depth in permanent raised beds for maximum P delivery in local ized
> areas.
> Lawrence F. London, Jr. Venaura Farm
> intergarden.com InterGarden
> metalab.unc.edu/intergarden InterGarden
> metalab.unc.edu/permaculture PermaSphere
> metalab.unc.edu/intergarden/orgfarm AGINFO
> lflondon AT mindspring.com london AT metalab.unc.edu
>
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