1.open furrow, sowing, overburden, and matrix pressure. 2.equipped with power seeder, suitable for large area operation. 3. small seed intensive planting effect is the best. 4. easy to operate and easy to turn. 5. special materials are used to make sowing wheel accurately, and the falling rate is 100 percent. 6. row type: seeding wheel type, free assembly, detachable increase and reduce row number (group number) 7.different types of seeds can be seeded by changing the sowing wheel. 8.different types of gears are provided to adjust the plant spacing. 9. small and light, suitable for small face planting and mountain use. 10. all kinds of sme seeds can be seeded by replacing the sowing wheel with the same model. 11.the sowing depth is easy to adjust.