In one embodiment of an agriculture planter, the planter may include a planter frame, a seed hopper, and a trailing arm assembly. The planter frame may include a hitch tongue extending forwardly from the planter frame. The trailing arm assembly may be coupled to a rear portion of the planter frame via a parallel linkage and extend rearward from the planter frame, and include separate but adjustable trailing arm assemblies for the opening implements and the closing implements.