<p>Queensland transport minister Paul Lucas must intervene in a contract dispute between grain industry bodies and QR, Export Grain Logistics (ExGL) said.</p> <p>ExGL, a joint venture of AWB and GrainCorp, is in dispute with QR over a new agreement to haul this season’s grain by rail.</p> <table width="228" border="0" cellpadding="0" cellspacing="0" align="right" height="312" name="test"> <tr> <td width="228" height="10"> <div align="center"><font size="1"><b>Advertisemen</b>t</font>