[Terrapreta] Pure Organics Vs. Biological Agriculture

[Kevin Chisholm]

Dear Sean

Most of your posting makes sense, but you lose me here..

Sean K. Barry wrote:
> Hi Jon,
>  
...del...

   Terra Preta is vastly fertile soil,
> with fertility that HAS lasted for 500+ years, under continuous 
> cultivation, in some places.  It already works to improve crop 
> productivity. 

Would you have any test results you could refer us to, to support these 
statements?

You may wish to start with a "recipe" for Terra Preta, and a description 
of the cultivation practices that have been employed for the past 500 years.

Best wishes,

Kevin