Pasteurizing soil with steam is a good idea, because it is somewhat of a selective killer. In theory at least, the bad actors are killed, and many of the good ones are not. Rick Rodich _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>