Garden Lime

[Mr McGregor]

Can anybody tell me how garden lime is sold in france. I've looked in
'SuperU' and garden centres but I can't find Chaux anywhere.

--
Mr McGregor

[Tom J]

Mr McGregor wrote:
> Can anybody tell me how garden lime is sold in france. I've looked
> in
> 'SuperU' and garden centres but I can't find Chaux anywhere.

Look up the French word for dolomitic or dolomite and try that??

Tom J

[David Hare-Scott]

This may in fact find a place that sells lime but don't confuse garden lime
with dolomite they are different and are used differently.

David

[Tom J]

But once he finds any kind of lime, if they don't have what he wants,
they will know where to send him, don't you think??

Tom J

[Bud]

Tom J wrote:
> David Hare-Scott wrote:
>>> Tom J
>>

>> This may in fact find a place that sells lime but don't confuse
>> garden lime with dolomite they are different and are used
>> differently.
>>
>> David
>
> But once he finds any kind of lime, if they don't have what he wants,
> they will know where to send him, don't you think??
>
> Tom J

Ah, just send him to the White Cliffs of Dover and help himself.
--
Bud

[David Hare-Scott]

yes, or the place that has one is likely to have the other, that's why I
said it may well find the right place.

D

[Frank]

There is lime, CaO, and limestone, CaCO3. Dolomite is CaCO3.MgCo3.
All can do the job of adjusting soil pH.

[David Hare-Scott]

It is true that all these will increase soil pH but that doesn't make them
equally suitable for the purpose.

On a garden you wouldn't use quick lime (AKA hot lime ie CaO) which is quite
harmful on the skin or especially in the eyes. It would quickly turn to
slaked lime (AKA builder's lime CaOH2) and produce a lot of heat in contact
with moisture in the soil. Even slaked lime is rather harsh to use on a
garden as it is moderately soluble and may shock the plants and
microorganisms by altering the pH quickly.

Garden lime (AKA limestone, calcium carbonate CaCO3) increases pH slowly and
provides calcium which is an important nutrient. Dolomite is calcium
magnesium carbonate which has a similar effect on pH and provides both
calcium and magnesium, magnesium is also an important nutrient. However
garden lime and dolomite are not interchangeable as they will effect the
calcium-magnesium balance differently. Depending on your soil and what you
are growing one may be much better than the other.

The moral of the story is: think carefully before adding chemicals to your
soil, not just any one will do.

David

[Thos]

How refreshing to hear a voice of reason and clarity.

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