To decrease the influence of high stubble and heavy weed on the growth of rapes at the seedling stage in southern winter rape fields, it is necessary to eliminate weed and stubble by shallow tillage before sowing. 2BYD-6 shallow tilling and fertilizing seeder for rapes was designed, and the shallow tilling working parts and rotary tillage ditching parts were fixed on the same cutter shaft, and driven wheel was adopted to provide power for seeding and fertilizing. Furthermore, for controlling the seeding and fertilizing quantity, speed changing mechanism which was use for adjusting the rotate s...