A BIG black pipe loaded onto Lindsay Schultz's truck trailer bears the slogan 'from foodbowl to dustbowl'.

The Benjeroop farmer plans to drive that message all the way to Canberra next month and park it outside Parliament House.

Other messages include a banner that reads, we are fighting for food security for our nation and an effigy of David Littleproud protruding from a toilet on top of the pi...