a mounting frame for mounting the disc to a linkage assembly that is in turn coupled to a toolbar mount the seed boot is also attached to the mounting frame this common attachment provides a relatively short and compact device without sacrificing fertilizer and seed stratification application_number US 26631008 A description the present invention is generally directed to a planting unit for us with an agricultural implement while only one planting unit will be described it is understood that the agricultural implement may include a plurality of such planting units fig1 shows a planting unit 10 according to one embodiment of the invention the planting unit 10 generally includes a forward disc 12 that is angled relative to a line of travel as known in the art the forward disc 12 rotates about a center hub 14 to cut a furrow into the planting surface s a seed boot 16 is mounted rearward of the disc 12 and as will be described is designed to cut a seed trench into the furrow formed by the disc 12 the disc 12 is coupled to a parallel linkage 18 by a disc mount 20 and a mount arm 22 extending upwardly from the disc mount 20 a trailing arm 24 is also coupled to the parallel linkage 18 and a press or packing wheel 26 is coupled to the trailing arm 24 the press wheel 26 trails the disc 12 and the seed boot 16 and as known in the art applies a packing pressure to the furrow the downward force is applied by.