Gypsum for clay soil
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Re: Gypsum for clay soil     

Group: uk.diy · Group Profile · Search for Gypsum for clay soil in uk.diy
Author: stuart noble
Date: Jun 8, 2010 12:18

..., I am left with some pretty solid clay soil. Gypsum is recommended as a soil improver, but appears to be sold ...? Chris Building plaster has other stuff in it besides gypsum, anyone know what those additives are? filler ... into solid chunks. Ah, right! But gypsum, as in agricultural gypsum, presumably doesn't set then? Not ...
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Re: Gypsum for clay soil     

Group: uk.rec.gardening · Group Profile · Search for Gypsum for clay soil in uk.rec.gardening
Author: Ian B
Date: Jun 8, 2010 01:52

...Tim Watts" wrote I must admit - I don't know if British Gypsum do recycling at the Mountfield/Robertsbridge plant. Though if... sticking the result of it in with the raw materials from the mine. British Gypsum make cat litter too, Nature Cat Gold... ringing BG first to find out if it is pure gypsum. No, that's made from bentonite clay, which is the most absorbent, clumpy dirt...
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Re: Gypsum for clay soil     

Group: uk.diy · Group Profile · Search for Gypsum for clay soil in uk.diy
Author: Ian B
Date: Jun 8, 2010 01:52

...Tim Watts" wrote I must admit - I don't know if British Gypsum do recycling at the Mountfield/Robertsbridge plant. Though if... sticking the result of it in with the raw materials from the mine. British Gypsum make cat litter too, Nature Cat Gold... ringing BG first to find out if it is pure gypsum. No, that's made from bentonite clay, which is the most absorbent, clumpy dirt...
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Re: Gypsum for clay soil     

Group: uk.diy · Group Profile · Search for Gypsum for clay soil in uk.diy
Author: Andy Dingley
Date: Jun 8, 2010 00:59

... fully. So what's the stuff from the graden centres? Pure gypsum rather than FGDS, so as to avoid the alkalinity change?.... It has nothing to do with the presence of calcium in the soil per se. Pure gypsum (not the modern stuff from desulphurisation) used to be recommended as an additive to heavy soils to open them up, where it was wanted to grow rhododendrons, in place of 'lime' ...
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Re: Gypsum for clay soil     

Group: uk.diy · Group Profile · Search for Gypsum for clay soil in uk.diy
Author: The Natural Philosopher
Date: Jun 7, 2010 22:17

... the answer to your question, but I would warn you not to use gypsum if you want lime-hating plants such as heathers,... Other sources seem to be of the opinion that one of the benefits of using gypsum is that it is essentially neutral, and will not alter pH..... It has nothing to do with the presence of calcium in the soil per se. Pure gypsum (not the modern stuff...
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Re: Gypsum for clay soil     

Group: uk.diy · Group Profile · Search for Gypsum for clay soil in uk.diy
Author: The Natural Philosopher
Date: Jun 7, 2010 22:12

...wrote: On 7 June, 09:31, NT <meow2...@care2.com> wrote: Unused plaster will bind the soil, used lumps wont. Run it through a cement mixer and a couple of rocks as a ... water would be enough (this is plaster, not cement). I wouldn't add "rottable garbage" to soil either, it's much better to rot this down separately. Otherwise you'll be short of nitrogen and ...
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Re: Gypsum for clay soil     

Group: uk.diy · Group Profile · Search for Gypsum for clay soil in uk.diy
Author: NT
Date: Jun 7, 2010 20:43

...: On 7 June, 09:31, NT <meow2...@care2.com> wrote: Unused plaster will bind the soil, used lumps wont. Run it through a cement mixer and a couple of rocks as a ... water would be enough (this is plaster, not cement). I wouldn't add "rottable garbage" to soil either, it's much better to rot this down separately. Otherwise you'll be short of nitrogen and ...
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