In October 2007, the German BDC Jahrestagung was held in Nottwil, Switzerland. On the programme was a visit to Wauwiler Champignons AG, one of the major producers in this country. The farm walk ended with a celebration of Wauwilers 20th anniversary jubilee.
A report on the the farm visit was published in Mushroom Business nr. 25. On the next pages are 11 pictures.