Here's the deal,
I once saw an arguement about how eating organic food is worse for the
food chain than eating organic food.  The reasoning behind this was
that introducing foreign predators into the natural food chain had a
drastic effect.  I would like a refference to this type of study.  Or
if that is unavailabe I would like a few links to how introduction of
a new predator into an existing food chain works as well as some
information as to how an organic farm protects their crops from
natural predators.
Thanks

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Clarification of Question by twoces-ga on 15 Nov 2005 11:16 PST

Yes in the first sentence I meant organic vs non-organic.
As for the "foreign predator" I wasn't refereing to humans. If crops
are being attacked by certain insects at organic farms do they
introduce a predator for control and if so what are the effects of
doing so?

Please have a look at your first sentence - i think you've written
"organic" for "non-organic" at one point.

Yes, Angy's query seems to require clarification.
The second sentence is also unclear to me:  are humans the "foreign predators"?
I would have assumed that we are part of the natural food chain,
offsetting our influence by cultivation of plants and husbandry of
animals.
It seems like an interesting question, but I don't really understand it.

I've a vague hunch that I understand what you are getting at.

A guy I know has a little sideline growing papaya ( hundreds of square
metres under plastic ) - there is some bug that destroys them, so he
opens a matchbox of almost invisible spiders
- they eat the bugs and then die off due to lack of food supply

On the other end of the scale, we have introducing cats to New Zealand
to sort out the rabbits that were introduced earlier.
- when the cats ran out of rabbits they ate birds

I think the answer is ... it depends
- however, on balance, I would prefer my food chain not to include Agent Orange

Because Soybean is a common vegan substitute for diary and meat, this
might be of interest:
 Kevin G. Hall, "Boom in growing soybeans endangers South American
environment"  Dec. 08, 2004
http://www.realcities.com/mld/krwashington/news/columnists/kevin_g_hall/10371263.htm?template=contentModules/printstory.jsp