AAP: Queensland farmers say they have obeyed a ban on broadscale tree-clearing and warn further restrictions will hamper efforts to produce food. AgForce acting CEO Andrew Freeman said on Thursday agriculture was forced to sacrifice land development opportunities when tree-clearing bans were introduced in 2006. He said official figures show annual tree clearing was cut by 37 per cent across 2006-07 of which only the second half had the ban in place. “Reductions will be much …