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Re: [compost_tea] bio composted lime sulpur ?



Bio-lime sulphur -

What exactly is the chemical formula, and what do they mean, BIO-lime sulphur.

Typically lime comes as calcium hydroxide or calcium nitrate.  Correct me if I'm wrong here, but I've tried to get sales reps to tell me and they often don't know or
I'm not sure they are telling me the truth. 

If you then add sulfur, some of that lime will be converted to calcium sulfate. 

When you make this calcium-hydroxide + calcium sulfate mix "biologically activated", typically some of the calcium is now tied up in the structure of the organic material.  It is not strictly an inorganic material anymore.  Thus it is much less detrimental to the organisms.  The osmotic shock (water-sucking-up) ability has been decreased. 

So, addition to compost, soil or to tea is much less detrimental than the inorganic forms.  How much less?  Depends on how much is biologically complexed and how much is left as salt (osmotic shock).  Easiest way to test is to determine active fungi before and active fungi after addition. 

Hope this helps!

Elaine

President, Soil Foodweb Inc.
www.soilfoodweb.com

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