I am finding the 'bitchy' and 'hostile' nature of the posts on this thread difficult and unpleasant. It can be diffulcult enough to raise issues without the added risk of being put down for expressing them. I like Russ' post on conflict and kindness. I think it is possible to be kinder to one another and still say what needs to be said.

On the subject of biodynamic vs organic there does seem to various websites that say more about what the differences may be between the two methods. I found these after doing a search
http://www.biodynamics.com/biodynamics.html
http://www.biodynamic.org.uk/index.htm
http://www.freywine.com/freywine/organic-biodynamic.html