#$%^&*AU2019203978A120200116.pdf#####Abstract Placing unit having a bracing assembly and seeder comprising such units Placing unit (1) for a seed drill, wherein this unit comprises at least, on the one hand, two furrow-opening disks (3) and, on the other hand, at least two means (4, 4') for delivery of particulate products (2') from at least one reservoir, the respective ejection outlets (6, 6') of which means are situated between the two opener disks (3) in a manner mutually offset along the direction of advance (A), wherein the said placing unit (1) also comprises a body (9) carrying the said disks (3) and aforesaid means (4, 4'). Unit (1), characterized in that it comprises an elongated assembly (7) for firming of the product or products (2') deposited at the bottom (8') of the furrow (8), and an interface (11) for linking with the body (9) for the said seed-firming assembly (7), which comprises an end for fixation with the interface (11) and an opposite bracing end, and in that the linking interface (11) comprises at least two fixation sites for the corresponding end of the assembly (7), offset longitudinally relative to one another along the direction of advance (A). Figure for the abstract: Fig. 2A