#$%^&*AU2020201303A120200312.pdf#####AGRICULTURAL TRENCH CLOSING SYSTEMS, METHODS, AND APPARATUS ABSTRACT In combination, a closing wheel assembly (100) and an agricultural planter row unit (10), the agricultural planter row unit (10) having a row unit frame (14) supporting at least one disc configured to open a seed trench (3) in a soil surface as the agricultural planter row unit (10) advances in a forward direction of travel, the closing wheel assembly (100) comprising: a pivot arm (150) having a forward end and a rearward end, said forward end pivotally mounted to the row unit frame (14) such that said pivot arm trails rearward of the row unit frame (14) with respect to the forward direction of travel； a first closing wheel (110-1) rotatably supported by said pivot arm about a first axis of rotation disposed rearward of said forward end； a second closing wheel (110-2) rotatably supported by said pivot arm about a second axis of rotation disposed rearward of said forward end； and an actuator (120) disposed to apply force on said pivot arm rearward of said first and second axes of rotation to modify a force applied by said first and second closing wheels to the soil surface.
