Bourgault Airseeder with Knife Points and Gang Press Wheels Bourgalt Airseeder with knife point and gang press wheel on 300mm row spacing travelling at 12 km/hr sowing wheat into a wheat stubble at Bribbaree NSW, May 2012. Before Soil surface before sowing after Soil surface after sowing MachineryLiz KelleherJune 21, 2012Rural Management Strategies Facebook0 Twitter