An agricultural vehicle includes a chassis a storage tank carried by the chassis and a row unit carried by the chassis. The row unit includes: a row body an opening blade carried by the row body and configured to open a trench as the row body is carried in a direction of travel and a closing tandem carried by the row body behind the opening blade that is pivotally movable relative to the row body. The closing tandem includes a closing disc and a press wheel carried behind the closing disc, the closing disc and the press wheel being configured to rotate as the row body is carried in the direction of travel, the closing disc defining a projection path as it rotates, and the press wheel having a treaded surface in the projection path.
