Thanks Roger I will try the black garbage gag method maybe just under the poly-tunnel foil Roland [image: logo] *Bulborum Botanicum* *mail: bulborum@gmail.com* *Site: http://www.bulborum.com/ *Nursery is closed for the public* * Get a signature like this. <http://r1.wisestamp.com/r/landing/…> CLICK HERE.<http://r1.wisestamp.com/r/landing/…> 2012/7/12 Rodger Whitlock <totototo@telus.net> > On 11 Jul 2012, at 8:49, Bulborum Botanicum wrote: > > > How do you sterilise larger quantities seeding mixture > > > > A simpler system for smaller quantities: put your damp soil in black > plastic > garbage bags and leave them in the sun. > > > -- R de Boer La Maugardiere 1 F 27260 EPAIGNES FRANCE Phone./Fax 0033-232-576-204 Email: bulborum@gmail.com