National award for district inventor Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window) Colac district inventor and silage contractor Jason Poustie with his award-winning silage spreader. Contact the authorby Scott Barnes September 10, 2012 A COLAC district silage producer has won a national award for one of his inventions. Unlock full access to Colac Herald - Subscribe today! Subscribe Now Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window) Tags: Business, Rural