That should give you some pointers. You could also google "Miguel Altieri"
with
appropriate keywords. He is one of the foremost academics in agroecology and
has
looked at these issues as far as I remember from doing a course with him
several
years ago.
Best,
Ute
On 26/04/2012 10:27:43, Dieter Brand (diebrand@yahoo.com) wrote:
> Hi,
>
> I remember reading that Egyptian farming a few thousand years ago produced
> a higher yield per acre than industrial farming in the US today.
>
> My files and data resource ...
Re: [permaculture] Yield comparisons with industrial farming?,
Ute Bohnsack, 04/26/2012