We used to use a cultipacker for food plots but stopped using it years ago. We only plant wheat and oats and maybe overseed with some special mix of kale/radishes/clover and try to plant before a rain. We broadcast the bigger seed and fertilizer and then set the disks straight and make a final run over the field. If tiny seed is used, it is then broadcast after the final disk run. The culipacker works fine as long as the soil is well worked and fairly level. Otherwise, the wheels won't do anything to push the seeds into the soil if one side of the packer lifts up or only the edge of the wheels touch the ground. We can't tell the culipacker makes the crop any better. Wheat and oaks will germinate and grow under the most dismal conditions. It's best to cover it up, but it will grow if left on the surface (less the seeds picked off by crows and turkeys). I joke that I can grow wheat in the bed of my pickup. It sprouts up there the first rain after planting.