What can garlic seeder do to ensure that all garlic teeth are rooted on the roots?

Garlic seeder, automatically turning around, vertically inserted into the soil, with the same depth, 95% garlic roots facing down.

To achieve 100% garlic root downward, it needs to be used as follows: one person starts the handheld garlic seeder to sow, and after sowing, one third to one quarter of garlic seeds will be exposed to the ground (six rows of seeders per hour 1.2 mu); Another person will check whether the garlic root is facing down at the back. If errors are found, correct them in time, ensure that the roots are completely downward, and achieve the accuracy of 100%. Finally, cover the soil with machines and tools for compaction.