An agricultural spreader has a hopper containing a granular product and a boom arm supporting a plurality of product delivery conduits supplying a plurality of row banding assemblies configured to disperse the product. The spreader has a pneumatic supply to propel the granular product through the product delivery conduits to the row banding assemblies. Each of the plurality of row banding assemblies includes a cyclone separator having an inlet connected to the product delivery conduit, a product outlet at a bottom end of the cyclone separator, an air outlet at a top end of the cyclone separator. The row banding assembly has a product placement tube connected to the product outlet, and an air exhaust tube connected to the air outlet. The air exhaust tube extends downward and surrounds the product placement tube.
