US Patent 11839171 Seed trench depth detection systems

A row unit downforce system including: a downforce actuator in operational communication with the row unit and constructed and arranged to apply supplemental downforce to the row unit and opening disks; a monitoring system comprising at least one furrow depth sensor constructed and arranged to generate furrow depth values; and a control system module, wherein the control system module is constructed and arranged to generate actuator command signals in response to the furrow depth values.