[Terrapreta] Terra Preta Signatures

[Saibhaskar Nakka]

 Dear Kevin Chisolm / Gerald Van Koeverden,

Thank you. It is difficult for me to answer all the queries, as I am still
learning about Terrra Preta Science. Regarding the Geralds concern about pH
of alkaline soils, we are also adding Gypsum which has sulphur to the
fields.

Dr. N. Sai Bhaskar Reddy

On 7/21/07, Gerald Van Koeverden <vnkvrdn at yahoo.ca> wrote:
>
>  Bhaskar,
>
>
> Just a caution about using charcoal on alkaline soils.  According to
> Australian soil scientists working with it:
>
>
>
>  Those with calcareous soils could not use it unless they buffered the
> alkalinity, perhaps with sulfur.
>
> from "http://www.garyjones.org/mt/archives/000540.html"
>
>
> gerald van koeverden
>
>
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